CN102408283A - 尿素缓释肥及其制备方法 - Google Patents
尿素缓释肥及其制备方法 Download PDFInfo
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- CN102408283A CN102408283A CN2011102711555A CN201110271155A CN102408283A CN 102408283 A CN102408283 A CN 102408283A CN 2011102711555 A CN2011102711555 A CN 2011102711555A CN 201110271155 A CN201110271155 A CN 201110271155A CN 102408283 A CN102408283 A CN 102408283A
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- urea
- slow
- release fertilizer
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 358
- 239000004202 carbamide Substances 0.000 title claims abstract description 176
- 239000003337 fertilizer Substances 0.000 title claims abstract description 118
- 238000002360 preparation method Methods 0.000 title abstract description 17
- 239000004220 glutamic acid Substances 0.000 claims abstract description 64
- 239000011248 coating agent Substances 0.000 claims abstract description 53
- 239000008187 granular material Substances 0.000 claims abstract description 33
- 239000003112 inhibitor Substances 0.000 claims abstract description 33
- 239000002601 urease inhibitor Substances 0.000 claims abstract description 33
- 229940090496 Urease inhibitor Drugs 0.000 claims abstract description 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000007931 coated granule Substances 0.000 claims abstract description 8
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 7
- 239000004094 surface-active agent Substances 0.000 claims abstract 11
- 229920006318 anionic polymer Polymers 0.000 claims abstract 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 87
- 238000000034 method Methods 0.000 claims description 63
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 50
- 238000000576 coating method Methods 0.000 claims description 43
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 42
- 239000005995 Aluminium silicate Substances 0.000 claims description 40
- 235000012211 aluminium silicate Nutrition 0.000 claims description 40
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 40
- 239000000243 solution Substances 0.000 claims description 34
- 239000002904 solvent Substances 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 28
- 239000011790 ferrous sulphate Substances 0.000 claims description 26
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 26
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 26
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 26
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 26
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 26
- 229960001763 zinc sulfate Drugs 0.000 claims description 26
- 230000002378 acidificating effect Effects 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- 239000007864 aqueous solution Substances 0.000 claims description 16
- 239000003054 catalyst Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 10
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 claims description 9
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229960000892 attapulgite Drugs 0.000 claims description 4
- 229910052625 palygorskite Inorganic materials 0.000 claims description 4
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 claims description 4
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004327 boric acid Substances 0.000 claims description 2
- 239000006229 carbon black Substances 0.000 claims description 2
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 2
- 150000004985 diamines Chemical class 0.000 claims description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 2
- LWJROJCJINYWOX-UHFFFAOYSA-L mercury dichloride Chemical compound Cl[Hg]Cl LWJROJCJINYWOX-UHFFFAOYSA-L 0.000 claims description 2
- YPNVIBVEFVRZPJ-UHFFFAOYSA-L silver sulfate Chemical compound [Ag+].[Ag+].[O-]S([O-])(=O)=O YPNVIBVEFVRZPJ-UHFFFAOYSA-L 0.000 claims description 2
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims 7
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims 6
- 230000000979 retarding effect Effects 0.000 claims 5
- 235000001014 amino acid Nutrition 0.000 claims 3
- 150000001413 amino acids Chemical class 0.000 claims 3
- 239000004927 clay Substances 0.000 claims 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 claims 2
- 239000011148 porous material Substances 0.000 claims 2
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- PMUIBVMKQVKHBE-UHFFFAOYSA-N [S].NC(N)=O Chemical compound [S].NC(N)=O PMUIBVMKQVKHBE-UHFFFAOYSA-N 0.000 claims 1
- 150000004996 alkyl benzenes Chemical class 0.000 claims 1
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 claims 1
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 claims 1
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims 1
- 235000013922 glutamic acid Nutrition 0.000 claims 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 229960002523 mercuric chloride Drugs 0.000 claims 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 229910000367 silver sulfate Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 12
- 201000010099 disease Diseases 0.000 abstract description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000004090 dissolution Methods 0.000 abstract 1
- 235000013877 carbamide Nutrition 0.000 description 127
- 229960002989 glutamic acid Drugs 0.000 description 49
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 20
- 229920000642 polymer Polymers 0.000 description 20
- 125000000129 anionic group Chemical group 0.000 description 18
- 239000013543 active substance Substances 0.000 description 17
- 238000002474 experimental method Methods 0.000 description 14
- 239000002689 soil Substances 0.000 description 14
- 241000196324 Embryophyta Species 0.000 description 13
- 238000000465 moulding Methods 0.000 description 13
- 238000012545 processing Methods 0.000 description 13
- 229910052757 nitrogen Inorganic materials 0.000 description 12
- 108700022290 poly(gamma-glutamic acid) Proteins 0.000 description 12
- 229920002643 polyglutamic acid Polymers 0.000 description 12
- 235000015097 nutrients Nutrition 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000012216 screening Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 238000013459 approach Methods 0.000 description 7
- 238000005469 granulation Methods 0.000 description 7
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- 238000012856 packing Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 240000007124 Brassica oleracea Species 0.000 description 5
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 5
- 235000011301 Brassica oleracea var capitata Nutrition 0.000 description 5
- 235000001169 Brassica oleracea var oleracea Nutrition 0.000 description 5
- 238000013019 agitation Methods 0.000 description 5
- 238000000498 ball milling Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 235000019441 ethanol Nutrition 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- 238000013268 sustained release Methods 0.000 description 5
- 239000012730 sustained-release form Substances 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 241000209140 Triticum Species 0.000 description 4
- 235000021307 Triticum Nutrition 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 4
- 238000003306 harvesting Methods 0.000 description 4
- 230000005070 ripening Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000003643 water by type Substances 0.000 description 4
- 241000227653 Lycopersicon Species 0.000 description 3
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
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- 230000004044 response Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 3
- 241000193830 Bacillus <bacterium> Species 0.000 description 2
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
- 238000006757 chemical reactions by type Methods 0.000 description 2
- 229930002875 chlorophyll Natural products 0.000 description 2
- 235000019804 chlorophyll Nutrition 0.000 description 2
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 241000194108 Bacillus licheniformis Species 0.000 description 1
- 244000063299 Bacillus subtilis Species 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 229940088623 biologically active substance Drugs 0.000 description 1
- 230000003570 biosynthesizing effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000003915 cell function Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 235000012204 lemonade/lime carbonate Nutrition 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000005418 vegetable material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 125000002256 xylenyl group Chemical class C1(C(C=CC=C1)C)(C)* 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Landscapes
- Fertilizers (AREA)
Abstract
Description
Claims (17)
Priority Applications (1)
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CN201110271155.5A CN102408283B (zh) | 2011-08-30 | 2011-08-30 | 尿素缓释肥及其制备方法 |
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CN201110271155.5A CN102408283B (zh) | 2011-08-30 | 2011-08-30 | 尿素缓释肥及其制备方法 |
Publications (2)
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CN102408283A true CN102408283A (zh) | 2012-04-11 |
CN102408283B CN102408283B (zh) | 2014-06-25 |
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CN201110271155.5A Active CN102408283B (zh) | 2011-08-30 | 2011-08-30 | 尿素缓释肥及其制备方法 |
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CN (1) | CN102408283B (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102875235A (zh) * | 2012-10-17 | 2013-01-16 | 中国农业科学院农业资源与农业区划研究所 | 包膜型增效氮肥组合物及其制备方法 |
CN102875254A (zh) * | 2012-11-07 | 2013-01-16 | 五洲丰农业科技有限公司 | 非包膜缓释型增效复混肥及其制备方法 |
CN103896672A (zh) * | 2012-12-29 | 2014-07-02 | 中国科学院沈阳应用生态研究所 | 聚离子增效稳定性脲铵氮肥及其制备方法 |
US20170369385A1 (en) * | 2014-12-23 | 2017-12-28 | Basf Se | Compositions with improved urease-inhibiting effect comprising (thio)phosphoric acid triamide and further compounds such as amines and colorants |
CN107840740A (zh) * | 2017-12-25 | 2018-03-27 | 芜湖晋诚农业科技有限公司 | 一种改善土壤结构的桃树肥料制备方法 |
CN109232137A (zh) * | 2018-12-05 | 2019-01-18 | 中国科学院沈阳应用生态研究所 | 一种碳耦合型稳定性氮肥肥料及制备方法 |
CN109400371A (zh) * | 2018-12-05 | 2019-03-01 | 中国科学院沈阳应用生态研究所 | 一种碳耦合型稳定性复合肥肥料及制备方法 |
CN114276181A (zh) * | 2020-09-17 | 2022-04-05 | 沈阳中科新型肥料有限公司 | 一种由不同分子量聚谷氨酸组成的多功能肥料增效剂 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1173482A (zh) * | 1997-08-29 | 1998-02-18 | 河北省沧州大化集团有限责任公司 | 可控缓释尿素颗粒肥料及其制备方法 |
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CN109232137A (zh) * | 2018-12-05 | 2019-01-18 | 中国科学院沈阳应用生态研究所 | 一种碳耦合型稳定性氮肥肥料及制备方法 |
CN109400371A (zh) * | 2018-12-05 | 2019-03-01 | 中国科学院沈阳应用生态研究所 | 一种碳耦合型稳定性复合肥肥料及制备方法 |
CN114276181A (zh) * | 2020-09-17 | 2022-04-05 | 沈阳中科新型肥料有限公司 | 一种由不同分子量聚谷氨酸组成的多功能肥料增效剂 |
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