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)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (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 (45)
| 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 |
| ATE134140T1 (de) * | 1990-06-08 | 1996-02-15 | Grace Sierra Horticultural Pro | Kontrollierte abgabe von nährmittel für bakterien und verfahren einer biologischen behandlung |
| 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 |
| NZ502202A (en) * | 1998-05-05 | 2002-08-28 | Oms Investments Inc | Controlled release fertilizer compositions and processes for the preparation thereof |
| 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 |
| AU2004308899A1 (en) * | 2003-12-18 | 2005-07-14 | Georgia-Pacific Resins, Inc. | Extended-release nitrogen-containing granular fertilizer |
| WO2006044393A2 (en) | 2004-10-12 | 2006-04-27 | Oms Investments, Inc. | 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 |
| DK2473034T3 (da) | 2009-09-03 | 2021-02-08 | Fbsciences Holdings Inc | Frøbehandlingssammensætninger og fremgangsmåde |
| 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 |
| EP2748124B1 (en) | 2011-08-26 | 2017-06-14 | Ekompany International B.V. | Process for producing a coated fertilizer |
| ES2556000T3 (es) | 2011-08-26 | 2016-01-12 | Ekompany Agro B.V. | Proceso para producir un fertilizante recubierto que comprende boro |
| 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 |
| KR20150094745A (ko) * | 2013-01-11 | 2015-08-19 | 도요 고무 고교 가부시키가이샤 | 인공 토양 배지 |
| GB201302997D0 (en) * | 2013-02-20 | 2013-04-03 | Yara Uk Ltd | Fertiliser coating containing micronutrients |
| JP2016531830A (ja) | 2013-08-19 | 2016-10-13 | ザ・モザイク・カンパニー | 顆粒状の肥料に農業に役立つ添加剤や生物由来の添加剤や防塵のための添加剤を加えるためのシステムと方法 |
| BR112017000358A2 (en) | 2014-07-07 | 2018-06-26 | The Mosaic Company | incorporation of biological agents in fertilizers |
| 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 |
| US10487016B2 (en) | 2015-08-12 | 2019-11-26 | The Mosaic Company | Acid treatment for fertilizers to increase zinc solubility and availability |
| DE102015012380A1 (de) | 2015-09-21 | 2017-03-23 | Ask Chemicals Gmbh | Beschichtetes Kernteilchen und Verfahren zur Herstellung desselben |
| MX2019002978A (es) | 2016-09-14 | 2019-09-18 | Grace Breeding Ltd | Composiciones que comprenden una bacteria no patogena y metodos para proteger plantas y animales anfitriones contra enfermedades micoticas, bacterianas y virales. |
| EP3479693B1 (en) | 2017-11-01 | 2026-03-25 | Everris International B.V. | Sulfide containing polyester coatings for agrochemical composition |
| EP3749627B1 (en) | 2018-02-09 | 2024-05-08 | Rynan Technologies Pte. Ltd. | Smart release nitrogen-containing fertilizer granules |
| MX2020008153A (es) | 2018-02-09 | 2020-09-18 | Rynan Tech Pte Ltd | Granulos de fertilizante de potasa de liberacion inteligente. |
| EP3866594A1 (en) | 2018-10-21 | 2021-08-25 | Grace Breeding Ltd. | Dual-route administration of composition for improved protection of plants against pathogens |
| GB2583913B (en) * | 2019-05-07 | 2021-08-04 | Yara Uk Ltd | Fertilizer particles comprising iron |
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 AT AT85201868T patent/ATE33018T1/de not_active IP Right Cessation
- 1985-11-13 EP EP85201868A patent/EP0184869B1/en not_active Expired
- 1985-11-13 US US06/797,501 patent/US4657576A/en not_active Expired - Lifetime
- 1985-11-13 DE DE8585201868T patent/DE3561878D1/de not_active Expired
- 1985-11-14 PT PT81491A patent/PT81491B/pt not_active IP Right Cessation
- 1985-11-15 CA CA000495429A patent/CA1256710A/en not_active Expired
- 1985-11-15 JP JP60257538A patent/JPS61125631A/ja active Granted
- 1985-11-15 ES ES548932A patent/ES8702322A1/es 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 |
|---|---|
| EP0184869A1 (en) | 1986-06-18 |
| JPS61125631A (ja) | 1986-06-13 |
| US4657576A (en) | 1987-04-14 |
| ES8702322A1 (es) | 1987-01-01 |
| ATE33018T1 (de) | 1988-04-15 |
| JPH0544437B2 (enExample) | 1993-07-06 |
| AU4978985A (en) | 1986-05-22 |
| DK518885D0 (da) | 1985-11-11 |
| EP0184869B1 (en) | 1988-03-16 |
| DK156561C (da) | 1990-02-12 |
| AU588551B2 (en) | 1989-09-21 |
| DE3561878D1 (en) | 1988-04-21 |
| PT81491A (en) | 1985-12-01 |
| PT81491B (pt) | 1987-11-11 |
| NL8403505A (nl) | 1986-06-16 |
| DK518885A (da) | 1986-05-17 |
| DK156561B (da) | 1989-09-11 |
| ES548932A0 (es) | 1987-01-01 |
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