CN1328769A - Farm composite containing water soluble chitosan - Google Patents
Farm composite containing water soluble chitosan Download PDFInfo
- Publication number
- CN1328769A CN1328769A CN 01123508 CN01123508A CN1328769A CN 1328769 A CN1328769 A CN 1328769A CN 01123508 CN01123508 CN 01123508 CN 01123508 A CN01123508 A CN 01123508A CN 1328769 A CN1328769 A CN 1328769A
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- Prior art keywords
- acid
- parts
- water soluble
- soluble chitosan
- useful compositions
- Prior art date
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- 229920001661 Chitosan Polymers 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 32
- 239000002131 composite material Substances 0.000 title abstract 4
- 230000006196 deacetylation Effects 0.000 claims abstract description 16
- 238000003381 deacetylation reaction Methods 0.000 claims abstract description 16
- 239000003337 fertilizer Substances 0.000 claims abstract description 14
- 235000019743 Choline chloride Nutrition 0.000 claims abstract description 10
- 150000007524 organic acids Chemical class 0.000 claims abstract description 10
- 229930003231 vitamin Natural products 0.000 claims abstract description 10
- 235000013343 vitamin Nutrition 0.000 claims abstract description 10
- 239000011782 vitamin Substances 0.000 claims abstract description 10
- 229940088594 vitamin Drugs 0.000 claims abstract description 10
- 150000001413 amino acids Chemical class 0.000 claims abstract description 9
- 239000011573 trace mineral Substances 0.000 claims abstract description 9
- 235000013619 trace mineral Nutrition 0.000 claims abstract description 9
- 239000001763 2-hydroxyethyl(trimethyl)azanium Substances 0.000 claims abstract description 7
- SGMZJAMFUVOLNK-UHFFFAOYSA-M choline chloride Chemical compound [Cl-].C[N+](C)(C)CCO SGMZJAMFUVOLNK-UHFFFAOYSA-M 0.000 claims abstract description 7
- 229960003178 choline chloride Drugs 0.000 claims abstract description 7
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 61
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 22
- OVBPIULPVIDEAO-LBPRGKRZSA-N folic acid Chemical compound C=1N=C2NC(N)=NC(=O)C2=NC=1CNC1=CC=C(C(=O)N[C@@H](CCC(O)=O)C(O)=O)C=C1 OVBPIULPVIDEAO-LBPRGKRZSA-N 0.000 claims description 18
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 12
- 150000002910 rare earth metals Chemical class 0.000 claims description 11
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 10
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 10
- 239000011686 zinc sulphate Substances 0.000 claims description 10
- 235000009529 zinc sulphate Nutrition 0.000 claims description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 9
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims description 9
- FFEARJCKVFRZRR-BYPYZUCNSA-N L-methionine Chemical compound CSCC[C@H](N)C(O)=O FFEARJCKVFRZRR-BYPYZUCNSA-N 0.000 claims description 9
- OVBPIULPVIDEAO-UHFFFAOYSA-N N-Pteroyl-L-glutaminsaeure Natural products C=1N=C2NC(N)=NC(=O)C2=NC=1CNC1=CC=C(C(=O)NC(CCC(O)=O)C(O)=O)C=C1 OVBPIULPVIDEAO-UHFFFAOYSA-N 0.000 claims description 9
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 9
- 239000004327 boric acid Substances 0.000 claims description 9
- 229960000304 folic acid Drugs 0.000 claims description 9
- 235000019152 folic acid Nutrition 0.000 claims description 9
- 239000011724 folic acid Substances 0.000 claims description 9
- 229930182817 methionine Natural products 0.000 claims description 9
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 8
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 8
- 235000001014 amino acid Nutrition 0.000 claims description 8
- 239000001110 calcium chloride Substances 0.000 claims description 8
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 8
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 claims description 6
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 6
- 239000004220 glutamic acid Substances 0.000 claims description 6
- 235000013922 glutamic acid Nutrition 0.000 claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004471 Glycine Substances 0.000 claims description 4
- 229930003268 Vitamin C Natural products 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 235000006408 oxalic acid Nutrition 0.000 claims description 4
- 235000019154 vitamin C Nutrition 0.000 claims description 4
- 239000011718 vitamin C Substances 0.000 claims description 4
- 239000005711 Benzoic acid Substances 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 235000010233 benzoic acid Nutrition 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 240000000203 Salix gracilistyla Species 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 238000005660 chlorination reaction Methods 0.000 claims description 2
- 231100000252 nontoxic Toxicity 0.000 abstract description 6
- 230000003000 nontoxic effect Effects 0.000 abstract description 6
- 230000002411 adverse Effects 0.000 abstract description 5
- 230000008635 plant growth Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000001737 promoting effect Effects 0.000 abstract description 2
- KWIUHFFTVRNATP-UHFFFAOYSA-O N,N,N-trimethylglycinium Chemical compound C[N+](C)(C)CC(O)=O KWIUHFFTVRNATP-UHFFFAOYSA-O 0.000 abstract 1
- 229960003237 betaine Drugs 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 20
- 229940045110 chitosan Drugs 0.000 description 19
- 201000010099 disease Diseases 0.000 description 18
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 18
- 238000012360 testing method Methods 0.000 description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 10
- 235000013339 cereals Nutrition 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 235000015165 citric acid Nutrition 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 7
- 240000008042 Zea mays Species 0.000 description 7
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 7
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 7
- 235000005822 corn Nutrition 0.000 description 7
- 238000009313 farming Methods 0.000 description 7
- 238000009472 formulation Methods 0.000 description 7
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 7
- 238000002791 soaking Methods 0.000 description 7
- 230000007850 degeneration Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 240000007594 Oryza sativa Species 0.000 description 5
- 235000007164 Oryza sativa Nutrition 0.000 description 5
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 5
- 238000011835 investigation Methods 0.000 description 5
- 239000004310 lactic acid Substances 0.000 description 5
- 235000014655 lactic acid Nutrition 0.000 description 5
- 235000009566 rice Nutrition 0.000 description 5
- 241000219112 Cucumis Species 0.000 description 4
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 4
- 229920000858 Cyclodextrin Polymers 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 235000011175 beta-cyclodextrine Nutrition 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 240000008067 Cucumis sativus Species 0.000 description 3
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 3
- 241000221785 Erysiphales Species 0.000 description 3
- 241000233679 Peronosporaceae Species 0.000 description 3
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 230000000536 complexating effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 3
- 150000007965 phenolic acids Chemical class 0.000 description 3
- 229960004889 salicylic acid Drugs 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000001988 toxicity Effects 0.000 description 3
- 231100000419 toxicity Toxicity 0.000 description 3
- MTCFGRXMJLQNBG-REOHCLBHSA-N (2S)-2-Amino-3-hydroxypropansäure Chemical compound OC[C@H](N)C(O)=O MTCFGRXMJLQNBG-REOHCLBHSA-N 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- -1 Cobastab) Chemical compound 0.000 description 2
- LEVWYRKDKASIDU-QWWZWVQMSA-N D-cystine Chemical compound OC(=O)[C@H](N)CSSC[C@@H](N)C(O)=O LEVWYRKDKASIDU-QWWZWVQMSA-N 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 2
- HNDVDQJCIGZPNO-YFKPBYRVSA-N L-histidine Chemical compound OC(=O)[C@@H](N)CC1=CN=CN1 HNDVDQJCIGZPNO-YFKPBYRVSA-N 0.000 description 2
- 241000220324 Pyrus Species 0.000 description 2
- MTCFGRXMJLQNBG-UHFFFAOYSA-N Serine Natural products OCC(N)C(O)=O MTCFGRXMJLQNBG-UHFFFAOYSA-N 0.000 description 2
- 244000061456 Solanum tuberosum Species 0.000 description 2
- 235000002595 Solanum tuberosum Nutrition 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000013065 commercial product Substances 0.000 description 2
- 229960003067 cystine Drugs 0.000 description 2
- 238000010413 gardening Methods 0.000 description 2
- HNDVDQJCIGZPNO-UHFFFAOYSA-N histidine Natural products OC(=O)C(N)CC1=CN=CN1 HNDVDQJCIGZPNO-UHFFFAOYSA-N 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 235000010339 sodium tetraborate Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- 208000035143 Bacterial infection Diseases 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229920002101 Chitin Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 208000035240 Disease Resistance Diseases 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 208000031888 Mycoses Diseases 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000001716 anti-fugal effect Effects 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- AIVOOYZRNFARIB-UHFFFAOYSA-N benzoic acid;oxalic acid Chemical compound OC(=O)C(O)=O.OC(=O)C1=CC=CC=C1 AIVOOYZRNFARIB-UHFFFAOYSA-N 0.000 description 1
- 239000003181 biological factor Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- 239000001175 calcium sulphate Substances 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 241001233957 eudicotyledons Species 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000003324 growth hormone secretagogue Substances 0.000 description 1
- 239000007952 growth promoter Substances 0.000 description 1
- 239000000413 hydrolysate Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 1
- 239000011654 magnesium acetate Substances 0.000 description 1
- 235000011285 magnesium acetate Nutrition 0.000 description 1
- 229940069446 magnesium acetate Drugs 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000021017 pears Nutrition 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000003375 plant hormone Substances 0.000 description 1
- 229920000191 poly(N-vinyl pyrrolidone) Polymers 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 229910052913 potassium silicate Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 150000003870 salicylic acids Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 239000003516 soil conditioner Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention discloses an agricultural composite extensively used for various crops. The said agricultural composite contains water-soluble chitosan, in particular contains low molecular weight chitosan whose deacetylation extent is greater than 75%, non-toxic organic acid and other components favorable for raising adverse resistance of plant and promoting plant growth, such as choline chloride, betaine, light rate earth, amino acids, vitamins, cholamine and trace element fertilizer. Said invented composite is non-toxic and nuisanceless. Said invention also provides its application method.
Description
The present invention relates to a kind of water soluble chitosan that contains, particularly low-molecular-weight and degree of deacetylation crop disease-resistant volume increase composition greater than 75% shitosan.
Shitosan be a kind of by chitin by the deacetylated semi-synthetic derivative of producing.At present, existing many open source literatures have reported that (water-soluble) shitosan has purposes widely on agricultural and gardening, for example have disease and insect resistance, degeneration-resistant, fertilizer, fresh-keeping or the like purposes.
In the prior art, because shitosan is a kind of eco-friendly material and extensive agricultural use is arranged that it is widely adopted in the agriculturally useful compositions of various various objectives.As the composition of anti-plant disease composition, for example .JP 2000-212013A has described a kind of inhibitor with antifungic action that comprises aqueous solution shitosan, salicylic acid, magnesium acetate and saleratus; JP 2000-128711A has described a kind of agricultural and gardening disease inhibitor that comprises water soluble chitosan, salicylic acid and salicylic acid analog; RU214768A has described a kind of composition of preventing and treating rice blast, and it contains molecular weight is 800-50,000 and degree of deacetylation be shitosan, lactic acid, succinic acid, potassium metasilicate, dimethyl sulfoxide (DMSO) and the water of 70-90%; EP 878129 has described the composition of a kind of increase to the plant disease resistance, it comprise molecular weight be 800-150,000 and degree of deacetylation be 65-97% shitosan, lactic acid and/or succinic acid, optional glutamic acid or its salt, bioactivator (as natural or synthetic plant hormone, natural unsaturated fatty acid or its synthesis of derivatives, phenolic acid) and water; US 5,374, and 627 to have described a kind of molecular weight be 10,000-50,000 the chitosan hydrolyzate thing and the composition that is used to prevent and treat some crop pest of acetate; JP62-198604A has described molecular weight and has been lower than 3,000 low-molecular weight chitoglycan hydrolysate and prevents and treats the application of pear scab, but it is not good to the control efficiency of pears gray mold.
The composition of as fertilizer sources composition, for example, JP2000-53964A has described a kind of organic manure that is used for vegetation of the ash wood that comprises shitosan and soaked with wood vinegar; J11-199417A has described a kind of plant growth stimulator that comprises the chitosan solution and the rotten acid extractants thing aqueous solution; It is 10 that JP 10-218713A has described a kind of molecular weight that mainly comprises, 000-100, the foliage-spray liquid fertilizer that is used to promote plant growing of 000 shitosan, molybdenum and ammonium nitrogen; JP10-218711A has described and has a kind ofly contained calcium compound and molecular weight is 10,000-100, the fertilizer for spraying on leaf surface that is used for stimulating plant growth improvement calcium absorption of 000 shitosan; JP 10-218707A described a kind of as soil conditioner and physiologically active agent spray the liquid combination fluid composition, it comprises shitosan and glycolic acid and optional silicate solution; W0 98/32335 has described a kind of liquid solution that increases dicotyledon output, and it comprises shitosan and acidic materials such as carboxylic acid (are preferably the aqueous solution of water soluble salt of the shitosan of acetate, glutamic acid, lactic acid and/or glycolic prepared in reaction; CN 1257055A has described a kind of nutrient for plants, and it is made up of shitosan, zinc salt and/or boron-containing compound; JP 10-110002A has described a kind of composition of using the preparation chitosan solution of used as pesticides such as plant growth promoter, and it comprises＞60 order shitosan micro mists and＞60 order organic acid micro mists.
Composition as the drought resisting composition, for example, it is 10 that W0 99/42488 has described a kind of molecular weight that comprises, 000-50, the agriculturally useful compositions of the shitosan of 000Da and the acid of plant-less toxicity, use said composition by reducing the purpose that the transpiration of plant moisture content reaches drought resisting, in some cases, also have effect disease-resistant, that increase production and increase fruit quality.
Though mention the performance such as disease-resistant, degeneration-resistant, fertilizer efficiency of shitosan or water soluble chitosan in the prior art, these application have certain limitation, for example only limit to some specific germ and specific floristics.Therefore, the extensive and agriculturally useful compositions chitosan-containing that effect is excellent of applicability is still desired.
Generally speaking, when plantation crop all be subjected to the influence of adverse circumstance factor (for example cold, high temperature, arid, saline and alkaline, waterlogging, toxin etc.) in various degree, comprise that various abiotic environments coerce factor, damage by disease and insect factor and other biological factor etc., restricted the raising of crop yield and quality.Therefore, how improving that crop adapts to the ability of adverse circumstance factor and alleviate the adverse circumstance factor is the effective way that improves the quality of crop yield to the influence of plant growth.
The present inventor carries out deep research from the angle of adverse circumstance factor, found that, by adopting water soluble chitosan, particularly the organic acid of chitosan and plant-less toxicity is (as salicylic acid, acetate, citric acid, benzoic acid, oxalic acid, methyl, lactic acid, succinic acid, glycolic, phenolic acid), other helps for example Choline Chloride of the short long composition of plant stress-resistance, betain, light rare earth is (as La, Ce, Pr, Nd or its mixture), amino acids is (as glycine, cystine, methionine, glutamic acid, histidine, serine), vitamins is (as folic acid, vitamin C, Cobastab), monoethanolamine, trace element fertilizer is (as boric acid, calcium chloride, zinc sulphate, copper sulphate) combination is nontoxic, non-harmful agriculturally useful compositions has significantly disease-resistant, degeneration-resistant, volume increase, optimize effects such as quality, and can be widely used in multiple kinds of crops.
One of purpose of the present invention provides a kind of agriculturally useful compositions that contains water soluble chitosan, and it has significantly disease-resistant, degeneration-resistant, volume increase, optimize effect such as quality, can be widely used in various crops.
Another object of the present invention provides and a kind ofly can make disease-resistant crops such as cereal crops in the growth, vegetables, fruit tree, degeneration-resistant and finally reach the method that makes increasing crop yield and optimize the quality purpose.
The raw material that is adopted is the product of natural origin in the present invention, and is extremely low to the toxicity of animal and crops, in addition, raw material of the present invention be stablize, water-soluble, easy operating and cost be low.Therefore, a further object of the present invention provides a kind of method nontoxic, non-harmful green agricultural product of producing.
Other purpose of the present invention and advantage show to see by discussion, description and embodiment hereinafter.
The invention discloses a kind of usefulness and be widely used in water-soluble fluidity shitosan of containing of various crops; particularly low-molecular-weight and degree of deacetylation greater than 75% shitosan and non-toxic organic acid (as salicylic acid; acetate; citric acid; benzoic acid; oxalic acid; methyl; lactic acid; succinic acid; glycolic; phenolic acid); other helps for example Choline Chloride of the short long composition of plant stress-resistance; betain; light rare earth is (as agricultural nitro rare earth; other contain La; Ce; Pr; the rare-earth substance of Nd or its mixture); amino acids is (as glycine; cystine; methionine; glutamic acid; histidine; serine); vitamins is (as folic acid; vitamin C; vitamin B1-12); monoethanolamine; trace element fertilizer is (as boric acid or borax; calcium chloride or calcium sulphate; zinc sulphate; copper sulphate) combination is nontoxic; non-harmful agriculturally useful compositions.
In the present invention, water soluble chitosan be meant under 20 ℃ in 100 gram water solvability be 800-10,000 low-molecular weight chitoglycan greater than 1 gram and molecular weight (MW); preferably degree of deacetylation is greater than 75%; particularly molecular weight is 1,000-5,000 low-molecular weight chitoglycan.Water-solubility chitosan derivative is commercial product or can passes through itself preparation of known method, for example CN1225923A, US 4,619,995A or US 3,911,098.
All are oneself materials of knowing and have commercial product to sell at other composition of the present invention.
Specifically, the present composition comprise following composition (below be weight portion, except as otherwise noted):
Water soluble chitosan 0.01-3
Organic acid 1-20
Biological alkaline matter 5-25
Light rare earth 5-25
Amino acids 5-20
Vitamins 0.1-1
Trace element fertilizer 5-20
The preferred present composition comprises following composition (weight portion)
Water soluble chitosan (MW800-10,000,
Degree of deacetylation is greater than 75%) 0.01-2
Organic acid 5-20
Biological alkaline matter 10-25
Light rare earth 10-25
Amino acids 10-20
Vitamins 0.1-1
Trace element fertilizer 5-20
The preferred present composition comprises following composition (weight portion)
Water soluble chitosan (MW800-10,000,
Degree of deacetylation is greater than 75%) 0.01-2
At least aly be selected from citric acid, acetate, bigcatkin willow
The organic acid 5-20 of acid, benzoic acid, oxalic acid, methyl
At least a Choline Chloride and the betain of being selected from
Biological alkaline matter 10-25
Light rare earth 10-25
At least a methionine, glutamic acid, the Guang ammonia of being selected from
The amino acids 10-20 of acid, glycine
At least a be selected from vitamin C, Cobastab,
The vitamins 0.1-1 of folic acid
At least aly be selected from boric acid, zinc sulphate, chlorination
The trace element fertilizer 5-20 of calcium and copper sulphate
Most preferably, the present composition comprises following composition (weight portion)
Water soluble chitosan (MW1,000-5,000,
Degree of deacetylation is greater than 75%) 0.02-1
Citric acid 2-5
Acetate 3-10
Choline Chloride 10-20
Light rare earth 10-20
Methionine 10-20
Cobastab 0.05-0.5
Folic acid 0.05-0.5
Boric acid 1-5
Zinc sulphate 1-6
Calcium chloride 2-10
Copper sulphate 0.5-2
Agriculturally useful compositions of the present invention can be made various dosage forms, for example the aqueous solution or pulvis.
Agriculturally useful compositions of the present invention can extensively be applied to various crops for example melon and fruit, vegetables, paddy rice, corn, soybean, cotton, makes the crop energy disease-resistant, degeneration-resistant, reaches the purpose of volume increase, can also improve the quality of agricultural product.Simultaneously because agriculturally useful compositions of the present invention all adopts is natural material, therefore, using of agriculturally useful compositions of the present invention is free from environmental pollution, and green agricultural product can be provided.
In the present invention, except as otherwise noted, all part, percentages are unit of weight, and all equipment all can be buied from the market or the industry is commonly used.
And the present invention is described in detail in detail in conjunction with the embodiments, but embodiment only is used for explanation but not is intended to limit the scope of the invention.
Example of formulations 1
3 parts of water soluble chitosans (MW3,000, degree of deacetylation 75%, commercially available prod) are dissolved with 50 parts of acetate, and 2 parts of folic acid is with 50 parts of dissolve with ethanol; 120 parts of methionine, 150 parts of nitro rare earths and 20 parts of boric acid, 40 parts of zinc sulphate, 60 parts of calcium chloride and 10 parts of copper sulphate are with 50 parts of citric acids and 155 parts of water complexings dissolvings, above-mentioned dissolving mixt joined in 150 parts of water that are added with 20 parts of β-cyclodextrines and 20 parts of tweens-80 together mix, and with colloid mill (TM140 model, produce by Tianjin Xin Shida science and trade company, abrasive dust down together), add 100 parts of Choline Chlorides afterwards and mix with it, add entry to 1000 part at last.
Example of formulations 2
With 2 parts of water soluble chitosans (MW4,000, degree of deacetylation 75%, commercially available prod), 50 parts of salicylic acids with 50 parts of dissolve with ethanol; 2 parts of folic acid is with 50 parts of dissolve with ethanol; 100 parts of methionine, 150 parts of nitro rare earths and 20 parts of boraxs, 40 parts of zinc sulphate, 60 parts of calcium chloride and 10 parts of copper sulphate are with 50 parts of citric acids and 126 parts of water complexings dissolvings, above-mentioned dissolving mixt joined in 150 parts of water that are added with 20 parts of β-cyclodextrines and 20 parts of tweens-80 together mix, and use the colloid mill abrasive dust, add 100 parts of Choline Chlorides afterwards and mix, add entry to 1000 part at last.
Example of formulations 3
With 3 parts of water soluble chitosans (MW7,000, degree of deacetylation 75%, commercially available prod), 50 parts of oxalic acid and 30 parts of acetate dissolvings; 3 parts of folic acid is with 50 parts of dissolve with ethanol; 150 parts of nitro rare earths, 100 parts of glycine and 20 parts of boric acid, 40 parts of zinc sulphate, 60 parts of calcium chloride and 10 parts of copper sulphate are with 50 parts of citric acids and 144 parts of complexings dissolvings, above-mentioned dissolving mixt joined in 150 parts of water that are added with 20 parts of β-cyclodextrines and 20 parts of tweens-80 together mix, and use the colloid mill abrasive dust, add 100 parts of betains afterwards and mix, add entry to 1000 part at last.
Example of formulations 4
With 2 parts of water soluble chitosan (MW3; 000; degree of deacetylation 75%; the commercially available prod) low temperature drying and be crushed to 80 orders; 50 parts of citric acids, 10 parts of copper sulphate, 40 parts of zinc sulphate, 20 parts of boric acid, 60 parts of calcium chloride, 150 parts of nitro rare earths are dehydrated; and 120 parts of methionine, 20 parts of β-cyclodextrines, 20 parts (surfactant peregal 0), 160 parts of Choline Chlorides are dry respectively, and mentioned component mixed with 402 parts of diatomite.
The test of experimental example 1 corn yield increasing
Experimental cultivar is " Weihe River 318 ", and planting density 5000 strain/mus respectively spray once in corn shooting stage and tasseling stage with example of formulations 1 product, compare with clear water, and the area of each processing is 20 meters
2The result is summarized in hereinafter in the table 1,2.By table 1 as seen, agriculturally useful compositions of the present invention sprays the significant difference of handling 5% and 1% level that all reaches with contrast, the significant difference of 5% level that reaches with contrast was handled in 200 times of seed soaking in 10-12 hours, in addition, 600 times spray to handle with German plant power " 2003 " and handle the significant difference that 5% level is arranged.Find out that thus it is best that 600 times of agriculturally useful compositions of the present invention spray the corn yield increasing effect, amount of increase in production reaches 10.6%.Can be found out also that by table 2 corn ear length, line number, the grain number that 600 times of agriculturally useful compositions of the present invention are handled, to go out main economy such as seed number, thousand kernel weight all the highest, vacant hill rate and bald phenomenon are then lower, are consistent with table 1.
The corn experimental field cell production investigation of academy of agricultural sciences, table 1 Shandong
| Handle | Cell production (kg) | Sub-district average yield (kg) | Folding per mu yield (kg) | Test of significance | |||
| ?????I | ????II | ????III | ??0.05 | ??0.01 | |||
| ??CK | ???19.5 | ???19.5 | ????20.7 | ???19.9 | ???663 | ????C | ????B |
| 200 times of seed soaking | ???19.8 | ???21.6 | ????23.1 | ???21.5 | ???717 | ???Ab | ????A |
| 600 times spray | ???21.3 | ???22.2 | ????22.5 | ???22.0 | ???733 | ????A | ????A |
| 300 times spray | ???18.9 | ???20.1 | ????20.1 | ???19.7 | ???657 | ????C | ????B |
| 1000 times " 2003 " spray | ???19.2 | ???21.6 | ????22.2 | ???21.0 | ???700 | ????B | ????A |
The main economic characters investigation of table 2 corn
| Handle | The fruit ear proterties | Grain characters | |||||
| Spike length (cm) | Line number | The grain number | Vacant hill (%) | Bald (%) | Seed-producing rate (%) | Thousand kernel weight (%) | |
| ??CK | ???16.5 | ???15.6 | ?595 | ???3.0 | ????0.5 | ???86.7 | ????284 |
| 200 times of seed soaking | ???16.7 | ???15.6 | ?590 | ???0.5 | ????0.3 | ???87.7 | ????291 |
| 600 times spray | ???16.7 | ???15.6 | ?590 | ???1.0 | ????0.2 | ???88.1 | ????293 |
| 300 times spray | ???16.2 | ???15.6 | ?580 | ???2.0 | ????0.5 | ???87.0 | ????289 |
| 1000 times " 2003 " spray | ???16.7 | ???15.6 | ?590 | ???1.5 | ????0.3 | ???87.7 | ????291 |
The test of experimental example 2 increasing production of rice
Test is carried out in the China Paddy Rice Inst experimental field.5 kinds of processing are established in test: contrast (handling 1), seed soaking (handling 2), seed soaking+fringe idiophase foliage-spray (handling 3), fringe idiophase leaf surface treatment+thank florescence foliage-spray (handling 4) and seed soaking+fringe idiophase foliage-spray+thank florescence foliage-spray (processing 5).16 meters of sub-district areas
2, seed soaking and spraying concentration are 500 times of liquid.The result is summarized in the table 3.By table 3 as seen, agriculturally useful compositions of the present invention (example of formulations 2) can improve rice yield.Handle between 2 kinds the average yield comparison according to improving 3.1%-5.4%, handle 3 volume increase 3.6%-6.8%, handle 4 volume increase 4.2%-13.6%, handle 5 amount of increase in production maximums, volume increase 7.2%-15.5%.All kinds all reach significant difference, and the full heading time of all kinds is all 2 days ahead of time when the fringe idiophase sprays.
Table 3 agriculturally useful compositions of the present invention is to the influence of rice yield and constituent element thereof
Amplification reaches 20%.
| Kind | Handle | Effective fringe (ten thousand fringe/mu) | Every total grain panicle number (grain/fringe) | The real grain of every fringe number (grain/fringe) | Ripening rate (%) | Thousand kernel weight (g) | Actual production (kg/ mu) | Test of significance (0.05) |
| Glutinous No. 2 of spring river | ?1 | ?14.33 | ?71.5 | ?65.8 | ?92.0 | ?24.2 | ?209.8 | ??c |
| ?2 | ?15.56 | ?74.4 | ?67.7 | ?91.1 | ?24.4 | ?216.5 | ??bc | |
| ?3 | ?15.22 | ?69.2 | ?63.1 | ?91.2 | ?24.5 | ?223.6 | ??ab | |
| ?4 | ?14.67 | ?86.0 | ?77.3 | ?89.9 | ?24.8 | ?224.0 | ??ab | |
| ?5 | ?16.5 | ?76.5 | ?69.7 | ?91.1 | ?24.3 | ?226.1 | ??a | |
| Spring river 11 | ?1 | ?16.22 | ?71.9 | ?61.2 | ?85.1 | ?21.9 | ?198.6 | ??b |
| ?2 | ?16.83 | ?70.6 | ?62.4 | ?88.4 | ?21.6 | ?204.7 | ??ab | |
| ?3 | ?16.00 | ?72.3 | ?68.6 | ?94.9 | ?21.4 | ?205.8 | ??ab | |
| ?4 | ?16.95 | ?74.5 | ?68.4 | ?91.8 | ?21.7 | ?207.1 | ??ab | |
| ?5 | ?19.92 | ?71.9 | ?63.4 | ?88.2 | ?20.2 | ?212.8 | ??a | |
| Big grain is fragrant | ?1 | ?14.00 | ?64.5 | ?52.8 | ?81.9 | ?26.1 | ?191.4 | ??c |
| ?2 | ?16.45 | ?57.3 | ?46.0 | ?80.3 | ?26.5 | ?201.8 | ??bc | |
| ?3 | ?17.25 | ?56.8 | ?48.2 | ?84.9 | ?26.4 | ?204.5 | ??b | |
| ?4 | ?15.92 | ?62.4 | ?52.1 | ?83.5 | ?27.4 | ?217.6 | ??a | |
| ?5 | ?14.95 | ?65.6 | ?55.1 | ?84.1 | ?27.6 | ?221.2 | ??a |
Table 4 sprays the influence investigation of agriculturally useful compositions of the present invention to cucumber yield
| Handle | Pluck melon amount (kg) | Add up to (kg) | Folding per mu yield (kg) | On average (kg) | Test of significance | |||||
| ?????1 | ?????2 | ?????3 | ????4 | ????5 | ??0.05 | ??0.01 | ||||
| ????CK | ???29.6 | ????33.6 | ???38.4 | ???31.7 | ??29.6 | ????162.9 | ???3258.0 | ???32.58 | ????b | ????B |
| 1500 times | ???34.2 | ????39.6 | ???40.2 | ???36.2 | ??30.4 | ????180.6 | ???3612.0 | ???36.12 | ????a | ????A |
| 1000 times | ???37.5 | ????41.7 | ???46.8 | ???38.1 | ??29.4 | ????192.8 | ???38.56 | ???38.7 | ????a | ????A |
| 500 times | ???36.3 | ????40.8 | ???48.2 | ???39.7 | ??30.6 | ????195.6 | ???3912.0 | ???39.12 | ????a | ????A |
| 100 times of legendary god of farming's elements | ???36.9 | ????40.7 | ???45.8 | ???36.9 | ??30.7 | ????191.0 | ???3820.0 | ???38.2 | ????a | ????A |
Legendary god of farming's element is the commercially available prod that is produced by Shaanxi legendary god of farming chemical company.
The test of experimental 4 potato production promotings
Test is located at the Feng County, Jiangsu Province.Result of the test shows (table 5), and processing that foliage-spray is 2 times and contrast difference reach 5% and 1% level, volume increase 31.9%.Seed dressing is handled does not then have significant difference.
Table 5 potato volume increase result of the test
| Handle | Cell production (kg) | Sub-district average yield (kg) | Than CK (%) | Test of significance | |||
| ???I | ???II | ???II | ????0.05 | ????0.01 | |||
| ???CK | ??43.5 | ??42.2 | ??45.2 | ????43.6 | ?????b | ?????B | |
| Seed dressing | ??47.3 | ??43.3 | ??44.1 | ????44.9 | ???103.0 | ?????b | ?????AB |
| The blade face spray | ??56.5 | ??58.6 | ??57.4 | ????57.5 | ???131.9 | ?????a | ?????A |
Experimental example 5 disease-resistant tests
Test is located at the Shanghai Pudong New Area, respectively at respectively spraying once on March 15th, 2000 and April 5, compares with clear water with example of formulations 1 product of the present invention, and relatively plain with the legendary god of farming, investigated April 20.The result shows (table 6 and table 7), and product of the present invention can be prevented and treated cucumber downy mildew and hay melon powdery mildew effectively, and effect is better than legendary god of farming's element.
The control efficiency of table 6 pair cucumber downy mildew
| Handle | The investigation number of blade | The downy mildew numbers of blade at different levels | Disease index (%) | Diseases prevention index (%) | ||||
| ???0 | ???1 | ???2 | ???3 | ???4 | ||||
| ???CK | ?500 | ??24 | ??44 | ??23 | ???5 | ???0 | ??29.25 | |
| 1500 times | ?500 | ??45 | ??36 | ??14 | ???5 | ???0 | ??19.75 | ??32.48 |
| 1000 times | ?500 | ??52 | ??35 | ??13 | ???0 | ???0 | ??15.25 | ??47.86 |
| 500 times | ?500 | ??57 | ??35 | ??8 | ???0 | ???0 | ??12.75 | ??56.41 |
| 1000 times of legendary god of farming's elements | ?500 | ??43 | ??38 | ??14 | ???5 | ???0 | ??20.25 | ??30.77 |
The control efficiency of table 7 pair hay melon powdery mildew
| Handle | The investigation number of blade | The powdery mildew numbers of blade at different levels | Disease index (%) | Protection effect (%) | ||||
| ????0 | ???1 | ???2 | ???3 | ???4 | ||||
| ??CK | ??131 | ???11 | ???12 | ???29 | ???46 | ???33 | ?64.88 | |
| 1000 times | ??134 | ???36 | ???37 | ???29 | ???26 | ???6 | ?36.75 | ?43.36 |
| 500 times | ??138 | ???39 | ???35 | ???36 | ???23 | ???5 | ?35.51 | ?45.27 |
| 1000 times of legendary god of farming's elements | ??137 | ???24 | ???39 | ???36 | ???25 | ???13 | ?43.43 | ?33.06 |
On other various crop, done multiple diseases control test, shown that all the present invention contains the multiple diseases that the agriculturally useful compositions product of water soluble chitosan can be prevented and treated crop effectively, comprises viral disease, bacterial disease and fungal disease.
Claims (4)
1. agriculturally useful compositions, it comprises
Water soluble chitosan 0.01-3
Organic acid 1-20
Biological alkaline matter 5-25
Light rare earth 5-25
Amino acids 5-20
Vitamins 0.1-1
Trace element fertilizer 5-20
2. according to the agriculturally useful compositions of claim 1, wherein
Water soluble chitosan (MW800-10,000,
Degree of deacetylation is greater than 75%) 0.01-2
Organic acid 5-20
Biological alkaline matter 10-25
Light rare earth 10-25
Amino acids 10-20
Vitamins 0.1-1
Trace element fertilizer 5-20
3. according to the agriculturally useful compositions of claim 2, wherein
Water soluble chitosan (MW800-10,000,
Degree of deacetylation is greater than 75%) 0.01-2
At least aly be selected from citric acid, acetate, bigcatkin willow
The organic acid 5-20 of acid, benzoic acid, oxalic acid, methyl
At least a Choline Chloride and the betain of being selected from
Biological alkaline matter 10-25
Light rare earth 10-25
At least a methionine, glutamic acid, the Guang ammonia of being selected from
The amino acids 10-20 of acid, glycine
At least a be selected from vitamin C, Cobastab,
The vitamins 0.1-1 of folic acid
At least aly be selected from boric acid, zinc sulphate, chlorination
The trace element fertilizer 5-20 of calcium and copper sulphate
4. according to the agriculturally useful compositions of claim 3, wherein
Water soluble chitosan (MW1,000-5,000,
Degree of deacetylation is greater than 75%) 0.02-1
Citric acid 2-5
Acetate 3-10
Choline Chloride 10-20
Light rare earth 10-20
Methionine 10-20
Cobastab 0.05-0.5
Folic acid 0.05-0.5
Boric acid 1-5
Zinc sulphate 1-6
Calcium chloride 2-10
Copper sulphate 0.5-2
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01123508 CN1328769A (en) | 2001-07-26 | 2001-07-26 | Farm composite containing water soluble chitosan |
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