CA1256710A - Granular fertilizer composition having controlled release and process for the preparation thereof - Google Patents
Granular fertilizer composition having controlled release and process for the preparation thereofInfo
- Publication number
- CA1256710A CA1256710A CA000495429A CA495429A CA1256710A CA 1256710 A CA1256710 A CA 1256710A CA 000495429 A CA000495429 A CA 000495429A CA 495429 A CA495429 A CA 495429A CA 1256710 A CA1256710 A CA 1256710A
- Authority
- CA
- Canada
- Prior art keywords
- coating
- fertilizer
- fertilizer composition
- value
- mgo
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003337 fertilizer Substances 0.000 title claims abstract description 117
- 239000000203 mixture Substances 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000008569 process Effects 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 238000013270 controlled release Methods 0.000 title abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 79
- 239000011248 coating agent Substances 0.000 claims abstract description 78
- 235000013619 trace mineral Nutrition 0.000 claims abstract description 27
- 239000011573 trace mineral Substances 0.000 claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims abstract description 14
- 239000008187 granular material Substances 0.000 claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920000180 alkyd Polymers 0.000 claims abstract description 12
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 claims abstract description 11
- 239000000944 linseed oil Substances 0.000 claims abstract description 11
- 235000021388 linseed oil Nutrition 0.000 claims abstract description 11
- 235000012424 soybean oil Nutrition 0.000 claims abstract description 11
- 239000003549 soybean oil Substances 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 6
- 150000003112 potassium compounds Chemical class 0.000 claims abstract description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 43
- 239000000395 magnesium oxide Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims description 16
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 9
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 8
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 7
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 7
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical group [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 7
- 229910000357 manganese(II) sulfate Inorganic materials 0.000 claims description 7
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 6
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 6
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 6
- 239000011686 zinc sulphate Substances 0.000 claims description 6
- 235000009529 zinc sulphate Nutrition 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 5
- 229910000366 copper(II) sulfate Inorganic materials 0.000 claims description 5
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 claims description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 3
- 229960002887 deanol Drugs 0.000 claims description 3
- 239000012972 dimethylethanolamine Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000011247 coating layer Substances 0.000 claims 10
- 239000010410 layer Substances 0.000 claims 4
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 claims 2
- 235000015393 sodium molybdate Nutrition 0.000 claims 2
- 239000011684 sodium molybdate Substances 0.000 claims 2
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 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 description 2
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 235000019198 oils Nutrition 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 235000015250 liver sausages Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000029219 regulation of pH Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- XYSQXZCMOLNHOI-UHFFFAOYSA-N s-[2-[[4-(acetylsulfamoyl)phenyl]carbamoyl]phenyl] 5-pyridin-1-ium-1-ylpentanethioate;bromide Chemical compound [Br-].C1=CC(S(=O)(=O)NC(=O)C)=CC=C1NC(=O)C1=CC=CC=C1SC(=O)CCCC[N+]1=CC=CC=C1 XYSQXZCMOLNHOI-UHFFFAOYSA-N 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/30—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
- Medicinal Preparation (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8403505 | 1984-11-16 | ||
| NL8403505A NL8403505A (nl) | 1984-11-16 | 1984-11-16 | Kunstmestsamenstelling in korrelvorm met een geregelde afgifte van meststoffen en werkwijze voor het bereiden hiervan. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1256710A true CA1256710A (en) | 1989-07-04 |
Family
ID=19844783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000495429A Expired CA1256710A (en) | 1984-11-16 | 1985-11-15 | Granular fertilizer composition having controlled release and process for the preparation thereof |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4657576A (enExample) |
| EP (1) | EP0184869B1 (enExample) |
| JP (1) | JPS61125631A (enExample) |
| AT (1) | ATE33018T1 (enExample) |
| AU (1) | AU588551B2 (enExample) |
| CA (1) | CA1256710A (enExample) |
| DE (1) | DE3561878D1 (enExample) |
| DK (1) | DK156561C (enExample) |
| ES (1) | ES8702322A1 (enExample) |
| NL (1) | NL8403505A (enExample) |
| PT (1) | PT81491B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9090517B2 (en) | 2011-11-21 | 2015-07-28 | Malaysian Palm Oil Board | Controlled-release fertilizer |
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL81975A0 (en) * | 1987-03-24 | 1987-10-20 | Haifa Chemicals Ltd | Method for the manufacture of slow-release fertilizers |
| WO1990010691A1 (en) * | 1989-03-10 | 1990-09-20 | Grace-Sierra Horticultural Products Company | Tissue culturing |
| AU655591B2 (en) * | 1990-06-08 | 1995-01-05 | Oms Investments, Inc. | Controlled-release microbe nutrients and method for bioremediation |
| US5264019A (en) * | 1991-03-05 | 1993-11-23 | Eastman Kodak Company | Coating compositions for slow release fertilizer formulations |
| US5652196A (en) * | 1991-07-22 | 1997-07-29 | Oms Investments, Inc. | Timed release of water-soluble plant nutrients |
| US5211985A (en) * | 1991-10-09 | 1993-05-18 | Ici Canada, Inc. | Multi-stage process for continuous coating of fertilizer particles |
| US5560768A (en) * | 1993-05-06 | 1996-10-01 | Haifa Chemicals South Ltd. | Method for preparing an encapsulated slow-release particulate fertilizer |
| BR9406680A (pt) * | 1993-05-07 | 1996-01-23 | Univ New England | Processo para revestir partículas de fertilizante e particula de fertilizante revestida |
| US5567221A (en) * | 1995-01-03 | 1996-10-22 | Oms Investments, Inc. | Compositions and methods for use in aquaculture |
| DE19603739A1 (de) * | 1996-02-02 | 1997-08-07 | Basf Ag | Granulatmischungen bestehend aus umhüllten und nicht-umhüllten Düngemittelgranulaten |
| JP3420460B2 (ja) * | 1996-04-12 | 2003-06-23 | キヤノン株式会社 | 汚染物質分解装置、汚染媒体の浄化方法及び汚染物質分解方法 |
| KR100365029B1 (ko) * | 1998-05-05 | 2002-12-18 | 오엠에스 인베스트먼츠, 인크. | 방출조절형 비료 조성물 및 이의 제조 방법 |
| US5993505A (en) * | 1998-05-22 | 1999-11-30 | Oms Investments, Inc. | Controlled release fertilizer compositions and processes for the preparation thereof |
| US6039781A (en) * | 1998-06-09 | 2000-03-21 | Oms Investments, Inc. | Precoated controlled release fertilizers and processes for their preparation |
| JP4010059B2 (ja) * | 1998-07-30 | 2007-11-21 | 有限会社 やまがたスリートップ | 土壌酸性化感応型肥料、およびその製造方法 |
| US6139597A (en) * | 1998-10-14 | 2000-10-31 | Oms Investments, Inc. | Controlled release fertilizer compositions and processes for the preparation thereof |
| RU2163585C1 (ru) * | 1999-07-19 | 2001-02-27 | Карапетян Гарегин Оганесович | Гранулированное комплексное удобрение |
| US6656882B2 (en) | 2001-02-28 | 2003-12-02 | Oms Investments, Inc. | Controlled release products and processes for the preparation thereof |
| US6787234B2 (en) * | 2002-05-15 | 2004-09-07 | Oms Investments, Inc. | Triggered start products and processes for the production and use thereof |
| CN1894172A (zh) * | 2003-12-18 | 2007-01-10 | 佐治亚-太平洋树脂公司 | 延长释放的含氮粒状肥料 |
| AU2005295890B2 (en) | 2004-10-12 | 2012-01-19 | Everris International B.V. | Shaped plant growth nutrient products and processes for the production thereof |
| US20070072775A1 (en) * | 2005-09-29 | 2007-03-29 | Oms Investments, Inc. | Granular controlled release agrochemical compositions and process for the preparation thereof |
| WO2007126388A1 (en) * | 2006-04-27 | 2007-11-08 | Wong Che Meng, Joseph | Fertilizer compositions for plantation crops |
| JP5913100B2 (ja) | 2009-09-03 | 2016-04-27 | エフビーサイエンシズ・ホールディングス，インコーポレイテッド | 種子処理用組成物および方法 |
| AU2013201123B2 (en) * | 2011-08-01 | 2014-03-06 | South Star Fertilizers Limited | Improvements in and Relating to Fertiliser Compositions |
| AU2012290771B2 (en) * | 2011-08-01 | 2013-09-19 | South Star Fertilizers Limited | Improvements in and relating to fertiliser compositions |
| WO2013030127A1 (en) | 2011-08-26 | 2013-03-07 | Ekompany Agro B.V. | Process for producing a coated fertilizer comprising boron |
| ES2637663T3 (es) | 2011-08-26 | 2017-10-16 | Ekompany International B.V. | Proceso para la producción de un fertilizante recubierto |
| US20130152649A1 (en) * | 2011-12-20 | 2013-06-20 | Honeywell International Inc. | Immobilization of fertilizer additives |
| EP3763200A1 (en) * | 2012-01-12 | 2021-01-13 | FBSciences Holdings, Inc. | Modulation of plant biology |
| US20140037570A1 (en) * | 2012-08-02 | 2014-02-06 | Whitehurst Associates Inc. | NBPT solution for preparing urease inhibited urea fertilizers prepared from N-alkyl; N, N-alkyl; and N-alkyl-N-alkoxy amino alcohols |
| PL229206B1 (pl) | 2012-08-06 | 2018-06-29 | Rogut Stanislaw | Nawóz o kontrolowanym uwalnianiu składników, sposób wytwarzania nawozu o kontrolowanym uwalnianiu oraz sposób stosowania nawozu |
| JP6043368B2 (ja) * | 2013-01-11 | 2016-12-14 | 東洋ゴム工業株式会社 | 人工土壌培地 |
| GB201302997D0 (en) | 2013-02-20 | 2013-04-03 | Yara Uk Ltd | Fertiliser coating containing micronutrients |
| BR112016003586B1 (pt) | 2013-08-19 | 2021-11-23 | The Mosaic Company | Método para condicionar grânulos de fertilizante de fosfato inorgânico para melhorar o controle de poeira e/ou beneficiamento agrícola |
| CN104591909A (zh) * | 2015-02-11 | 2015-05-06 | 江苏宏洋肥力特生物科技有限公司 | 缓释微量元素水溶性肥料颗粒 |
| MA42163A1 (fr) | 2015-08-12 | 2018-08-31 | Mosaic Co | Traitement à l'acide pour engrais visant à renforcer la solubilité et la disponibilité du zinc |
| DE102015012380A1 (de) | 2015-09-21 | 2017-03-23 | Ask Chemicals Gmbh | Beschichtetes Kernteilchen und Verfahren zur Herstellung desselben |
| EP3512342A1 (en) | 2016-09-14 | 2019-07-24 | Grace Breeding Ltd. | Compositions comprising a non-pathogenic bacteria and methods for protecting plant and animal hosts from fungal, bacterial and viral diseases |
| EP3479693A1 (en) | 2017-11-01 | 2019-05-08 | Everris International B.V. | Sulfide containing polyester coatings for agrochemical composition |
| MX2020008153A (es) | 2018-02-09 | 2020-09-18 | Rynan Tech Pte Ltd | Granulos de fertilizante de potasa de liberacion inteligente. |
| AU2019216889B2 (en) | 2018-02-09 | 2024-02-08 | Rynan Technologies Pte Ltd | Smart release nitrogen-containing fertilizer granules |
| US20210378238A1 (en) | 2018-10-21 | 2021-12-09 | Grace Breeding Ltd. | Dual-route administration of composition for improved protection of plants against pathogens |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB954555A (en) * | 1959-10-13 | 1964-04-08 | Archer Daniels Midland Co | Improvements in or relating to delayed action granular fertilizers |
| US3219433A (en) * | 1963-04-08 | 1965-11-23 | Exxon Research Engineering Co | Production of a fertilizer pellet containing an active fertilizer ingredient in a hydrocarbon solid |
| US3921333A (en) * | 1972-07-28 | 1975-11-25 | Union Carbide Corp | Transplanter containers made from biodegradable-environmentally degradable blends |
| US4474595A (en) * | 1983-03-10 | 1984-10-02 | International Spike, Inc. | Fertilizer product and process for making and using it |
| AU4895685A (en) * | 1984-02-10 | 1986-05-01 | Showa Denko Kabushiki Kaisha | Coated particulate materials and method for manufacture thereof |
-
1984
- 1984-11-16 NL NL8403505A patent/NL8403505A/nl not_active Application Discontinuation
-
1985
- 1985-11-11 DK DK518885A patent/DK156561C/da not_active IP Right Cessation
- 1985-11-12 AU AU49789/85A patent/AU588551B2/en not_active Ceased
- 1985-11-13 US US06/797,501 patent/US4657576A/en not_active Expired - Lifetime
- 1985-11-13 AT AT85201868T patent/ATE33018T1/de not_active IP Right Cessation
- 1985-11-13 DE DE8585201868T patent/DE3561878D1/de not_active Expired
- 1985-11-13 EP EP85201868A patent/EP0184869B1/en not_active Expired
- 1985-11-14 PT PT81491A patent/PT81491B/pt not_active IP Right Cessation
- 1985-11-15 ES ES548932A patent/ES8702322A1/es not_active Expired
- 1985-11-15 JP JP60257538A patent/JPS61125631A/ja active Granted
- 1985-11-15 CA CA000495429A patent/CA1256710A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9090517B2 (en) | 2011-11-21 | 2015-07-28 | Malaysian Palm Oil Board | Controlled-release fertilizer |
Also Published As
| Publication number | Publication date |
|---|---|
| NL8403505A (nl) | 1986-06-16 |
| EP0184869A1 (en) | 1986-06-18 |
| DE3561878D1 (en) | 1988-04-21 |
| DK156561B (da) | 1989-09-11 |
| US4657576A (en) | 1987-04-14 |
| JPS61125631A (ja) | 1986-06-13 |
| AU4978985A (en) | 1986-05-22 |
| EP0184869B1 (en) | 1988-03-16 |
| PT81491B (pt) | 1987-11-11 |
| ES8702322A1 (es) | 1987-01-01 |
| AU588551B2 (en) | 1989-09-21 |
| DK518885A (da) | 1986-05-17 |
| ES548932A0 (es) | 1987-01-01 |
| ATE33018T1 (de) | 1988-04-15 |
| DK518885D0 (da) | 1985-11-11 |
| DK156561C (da) | 1990-02-12 |
| JPH0544437B2 (enExample) | 1993-07-06 |
| PT81491A (en) | 1985-12-01 |
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