IL110010A - Processes for the production of sulfur-coated fertilizers and products manufactured therein - Google Patents

Processes for the production of sulfur-coated fertilizers and products manufactured therein

Info

Publication number: IL110010A
Authority: IL; Israel
Prior art keywords: sulfur; coating; primary; allotrope; amorphous
Prior art date: 1993-06-14

Application number

IL110010A

Other languages

English (en)

Hebrew (he)

Other versions

IL110010A0 (en

Original Assignee

Scott & Sons Co O M

Priority date (The priority date 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 date listed.)

1993-06-14

Filing date

1994-06-13

Publication date

1998-02-08

1994-06-13 Application filed by Scott & Sons Co O M filed Critical Scott & Sons Co O M

1994-10-07 Publication of IL110010A0 publication Critical patent/IL110010A0/xx

1998-02-08 Publication of IL110010A publication Critical patent/IL110010A/en

Links

NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 275
229910052717 sulfur Inorganic materials 0.000 title claims abstract description 272
239000011593 sulfur Substances 0.000 title claims abstract description 272
239000003337 fertilizer Substances 0.000 title claims abstract description 52
238000000034 method Methods 0.000 title claims description 36
230000008569 process Effects 0.000 title claims description 28
238000002360 preparation method Methods 0.000 title claims description 20
238000000576 coating method Methods 0.000 claims abstract description 116
239000011248 coating agent Substances 0.000 claims abstract description 102
QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 claims abstract description 69
238000001757 thermogravimetry curve Methods 0.000 claims abstract description 30
230000007704 transition Effects 0.000 claims abstract description 25
238000013270 controlled release Methods 0.000 claims abstract description 18
238000000113 differential scanning calorimetry Methods 0.000 claims abstract description 17
239000008199 coating composition Substances 0.000 claims description 23
XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 22
239000003795 chemical substances by application Substances 0.000 claims 1
239000011247 coating layer Substances 0.000 abstract description 4
229920000642 polymer Polymers 0.000 description 50
239000000047 product Substances 0.000 description 41
239000000203 mixture Substances 0.000 description 21
239000004202 carbamide Substances 0.000 description 19
229940074993 carbon disulfide Drugs 0.000 description 19
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
238000007707 calorimetry Methods 0.000 description 12
238000004519 manufacturing process Methods 0.000 description 12
239000010410 layer Substances 0.000 description 11
239000011162 core material Substances 0.000 description 10
239000000758 substrate Substances 0.000 description 8
238000012360 testing method Methods 0.000 description 8
239000000470 constituent Substances 0.000 description 7
238000001816 cooling Methods 0.000 description 7
230000032683 aging Effects 0.000 description 6
230000035699 permeability Effects 0.000 description 6
238000012545 processing Methods 0.000 description 6
241000894007 species Species 0.000 description 6
230000007423 decrease Effects 0.000 description 5
238000009472 formulation Methods 0.000 description 5
230000001052 transient effect Effects 0.000 description 5
239000004698 Polyethylene Substances 0.000 description 4
239000007795 chemical reaction product Substances 0.000 description 4
238000005336 cracking Methods 0.000 description 4
235000015097 nutrients Nutrition 0.000 description 4
230000009418 agronomic effect Effects 0.000 description 3
230000004888 barrier function Effects 0.000 description 3
229920001577 copolymer Polymers 0.000 description 3
238000009792 diffusion process Methods 0.000 description 3
238000004090 dissolution Methods 0.000 description 3
239000005038 ethylene vinyl acetate Substances 0.000 description 3
239000007788 liquid Substances 0.000 description 3
239000000155 melt Substances 0.000 description 3
229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 3
-1 polyethylene Polymers 0.000 description 3
239000007787 solid Substances 0.000 description 3
239000007921 spray Substances 0.000 description 3
238000005299 abrasion Methods 0.000 description 2
230000002411 adverse Effects 0.000 description 2
238000007664 blowing Methods 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
239000002131 composite material Substances 0.000 description 2
JLQNHALFVCURHW-UHFFFAOYSA-N cyclooctasulfur Chemical compound S1SSSSSSS1 JLQNHALFVCURHW-UHFFFAOYSA-N 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
230000003292 diminished effect Effects 0.000 description 2
230000000694 effects Effects 0.000 description 2
230000007613 environmental effect Effects 0.000 description 2
230000009969 flowable effect Effects 0.000 description 2
239000012530 fluid Substances 0.000 description 2
230000003993 interaction Effects 0.000 description 2
238000002386 leaching Methods 0.000 description 2
239000000463 material Substances 0.000 description 2
239000002245 particle Substances 0.000 description 2
239000000575 pesticide Substances 0.000 description 2
229920000573 polyethylene Polymers 0.000 description 2
238000004445 quantitative analysis Methods 0.000 description 2
238000007711 solidification Methods 0.000 description 2
230000008023 solidification Effects 0.000 description 2
230000035882 stress Effects 0.000 description 2
238000012546 transfer Methods 0.000 description 2
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 description 1
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical class CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
239000005977 Ethylene Substances 0.000 description 1
241001465754 Metazoa Species 0.000 description 1
239000004952 Polyamide Substances 0.000 description 1
239000004743 Polypropylene Substances 0.000 description 1
229920001328 Polyvinylidene chloride Polymers 0.000 description 1
241000282887 Suidae Species 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
230000003466 anti-cipated effect Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
230000008859 change Effects 0.000 description 1
230000007547 defect Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000008034 disappearance Effects 0.000 description 1
239000000839 emulsion Substances 0.000 description 1
230000001747 exhibiting effect Effects 0.000 description 1
230000004720 fertilization Effects 0.000 description 1
239000012467 final product Substances 0.000 description 1
239000000417 fungicide Substances 0.000 description 1
239000008187 granular material Substances 0.000 description 1
238000000227 grinding Methods 0.000 description 1
239000003630 growth substance Substances 0.000 description 1
239000004009 herbicide Substances 0.000 description 1
238000011065 in-situ storage Methods 0.000 description 1
239000000077 insect repellent Substances 0.000 description 1
239000002917 insecticide Substances 0.000 description 1
235000021388 linseed oil Nutrition 0.000 description 1
239000000944 linseed oil Substances 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
239000000178 monomer Substances 0.000 description 1
230000000704 physical effect Effects 0.000 description 1
229920003023 plastic Polymers 0.000 description 1
239000004033 plastic Substances 0.000 description 1
229920002647 polyamide Polymers 0.000 description 1
239000005020 polyethylene terephthalate Substances 0.000 description 1
229920000139 polyethylene terephthalate Polymers 0.000 description 1
229920006254 polymer film Polymers 0.000 description 1
239000013047 polymeric layer Substances 0.000 description 1
229920001155 polypropylene Polymers 0.000 description 1
229920002635 polyurethane Polymers 0.000 description 1
239000004814 polyurethane Substances 0.000 description 1
229920000915 polyvinyl chloride Polymers 0.000 description 1
239000004800 polyvinyl chloride Substances 0.000 description 1
239000005033 polyvinylidene chloride Substances 0.000 description 1
238000011112 process operation Methods 0.000 description 1
230000002035 prolonged effect Effects 0.000 description 1
230000004044 response Effects 0.000 description 1
238000012216 screening Methods 0.000 description 1
238000007789 sealing Methods 0.000 description 1
238000005507 spraying Methods 0.000 description 1
238000010561 standard procedure Methods 0.000 description 1
238000003860 storage Methods 0.000 description 1
150000003463 sulfur Chemical class 0.000 description 1
238000010408 sweeping Methods 0.000 description 1
238000010998 test method Methods 0.000 description 1
238000002076 thermal analysis method Methods 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/005—Post-treatment
- 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
- C05G5/36—Layered or coated, e.g. dust-preventing coatings layered or coated with sulfur
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S71/00—Chemistry: fertilizers
- Y10S71/904—Carrier

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Pest Control & Pesticides (AREA)
Fertilizers (AREA)

IL110010A 1993-06-14 1994-06-13 Processes for the production of sulfur-coated fertilizers and products manufactured therein IL110010A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US08/076,447 US5405426A (en)	1991-03-08	1993-06-14	Processes for the preparation of sulfur coated fertilizers and products produced thereby

Publications (2)

Publication Number	Publication Date
IL110010A0 IL110010A0 (en)	1994-10-07
IL110010A true IL110010A (en)	1998-02-08

Family

ID=22132079

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL110010A IL110010A (en)	1993-06-14	1994-06-13	Processes for the production of sulfur-coated fertilizers and products manufactured therein

Country Status (10)

Country	Link
US (1)	US5405426A (fr)
EP (1)	EP0703884B1 (fr)
AT (1)	ATE199144T1 (fr)
AU (1)	AU677358B2 (fr)
CA (1)	CA2164986C (fr)
DE (1)	DE69426696D1 (fr)
IL (1)	IL110010A (fr)
NZ (1)	NZ268500A (fr)
PT (1)	PT703884E (fr)
WO (1)	WO1994029239A1 (fr)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
HUP0004033A3 (en)	1998-05-05	2002-07-29	Oms Investments Inc Wilmington	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
US6139597A (en) *	1998-10-14	2000-10-31	Oms Investments, Inc.	Controlled release fertilizer compositions and processes for the preparation thereof
US6338746B1 (en) *	1999-07-23	2002-01-15	Rlc Technologies, L.L.C.	Polymer-sulfur-polymer coated fertilizers
BR0117303B1 (pt)	2000-05-17	2012-05-29		processos de preparação de uma composição fertilizante compreendendo uma pluralidade de partìculas e de liberação de enxofre para o solo.
US6787234B2 (en)	2002-05-15	2004-09-07	Oms Investments, Inc.	Triggered start products and processes for the production and use thereof
US8003748B2 (en) *	2004-02-17	2011-08-23	Chevron Phillips Chemical Company, Lp	Polythiourethane compositions and processes for making and using same
CN102408366B (zh) *	2004-02-17	2014-04-16	切弗朗菲利浦化学公司	含硫组合物及其制造方法
US7682656B2 (en) *	2004-06-14	2010-03-23	Agruim Inc.	Process and apparatus for producing a coated product
ES2533773T3 (es)	2004-10-12	2015-04-15	Everris International B.V.	Productos de nutrientes para el crecimiento de las plantas conformados y procedimientos para la producción de los mismos
EP1827714B1 (fr) *	2004-11-30	2019-07-10	Agrium Inc.	Procédé et appareil pour enduire un produit à libération contrôlée dans un tambour rotatif
AU2006279788A1 (en) *	2005-08-16	2007-02-22	Chevron Phillips Chemical Company Lp	Polymer compositions and processes for making and using same
EP1940992A1 (fr) *	2005-08-16	2008-07-09	Chevron Phillips Chemical Company LP	Compositions de polymère époxy durci au mercaptan et procédés de fabrication et d utilisation de celles-ci
CN100475749C (zh) *	2005-08-26	2009-04-08	南京理工大学	含硫混合物膜层的涂覆方法
CN100475751C (zh) *	2005-09-01	2009-04-08	南京理工大学	可降解聚合物包膜型缓释肥料
US20080214774A1 (en) *	2007-03-01	2008-09-04	Chevron Phillips Chemical Company, Lp	Thiourethane Compositions and Processes for Making and Using Same
CN101348396B (zh) *	2007-08-15	2011-05-11	山东金正大生态工程股份有限公司	水性聚合物-硫双层包膜控释肥料及其制备方法
US20090124762A1 (en) *	2007-11-08	2009-05-14	Brown Chad W	Methods and systems for the selective formation of thiourethane bonds and compounds formed therefrom
US20090124784A1 (en) *	2007-11-08	2009-05-14	Brown Chad W	Methods and compounds for curing polythiourethane compositions
US7771505B2 (en)	2008-07-16	2010-08-10	Agrium Inc.	Controlled release fertilizer composition
CN101508613B (zh) *	2009-03-24	2012-05-09	吕庆淮	环境友好型缓释增效多功能肥料添加剂
CA2845658C (fr)	2011-08-26	2019-04-16	Ekompany Agro B.V.	Procede pour la production d'un engrais enrobe comprenant du bore
CA2845656C (fr)	2011-08-26	2019-07-16	Ekompany Agro B.V.	Procede pour la production d'un engrais enrobe
US8986581B2 (en)	2012-07-27	2015-03-24	Carbron Basis Company Ltd.	Biochar products and method of manufacture thereof
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
EP3693351A3 (fr)	2014-05-05	2020-12-09	SABIC Global Technologies B.V.	Engrais granulaires enrobés, leurs procédés de fabrication et leurs utilisations
US20160185682A1 (en) *	2014-12-31	2016-06-30	Dow Agrosciences Llc	Nitrification inhibitor compositions and methods for preparing the same
EP3325431B1 (fr)	2015-07-20	2021-08-25	SABIC Global Technologies B.V.	Composition d'engrais et ses procédés de fabrication et d'utilisation
CN108138028A (zh)	2015-10-08	2018-06-08	碳基有限公司	生物炭产品及其制造方法
WO2017087265A1 (fr)	2015-11-16	2017-05-26	Sabic Global Technologies B.V.	Procédés de fabrication d'engrais granulaires enrobés
US11124463B2 (en) *	2015-11-16	2021-09-21	Sabic Global Technologies B.V.	Coated granular fertilizers, methods of manufacture thereof, and uses thereof
WO2017137902A1 (fr)	2016-02-08	2017-08-17	Sabic Global Technologies B.V.	Procédé de fabrication de noyau d'ensemencement d'engrais
EP3612506A1 (fr)	2017-04-19	2020-02-26	SABIC Global Technologies B.V.	Engrais à efficacité améliorée comportant un inhibiteur d'uréase et un inhibiteur de nitrification séparés à l'intérieur de la même particule
EP3612508B1 (fr)	2017-04-19	2026-01-28	Sabic Agri-Nutrients Company	Engrais à efficacité améliorée comportant un inhibiteur d'uréase et un inhibiteur de nitrification dans des particules séparées
US11345645B2 (en)	2017-04-20	2022-05-31	Sabic Global Technologies B.V.	Enhanced efficiency fertilizer with embedded powder composition
JOP20190274A1 (ar)	2017-05-23	2019-11-24	Mosaic Co	حبيبات أسمدة متضخمة تحتوي على الكبريت المعدني مع زيادة معدلات الأكسدة
US11021409B2 (en)	2017-08-09	2021-06-01	Sabic Global Technologies B.V.	Extruded fertilizer granules with urease and/or nitrification inhibitors
CA3119846A1 (fr) *	2018-11-20	2020-05-28	Arr-Maz Products, L.P.	Enrobage d'engrais applique dans la reduction de l'agglutination et de l'adsorption d'humidite

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* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3903333A (en) *	1973-03-30	1975-09-02	Tennessee Valley Authority	Production of slow release nitrogen fertilizers by improved method of coating urea with sulfur
US3991225A (en) *	1974-02-01	1976-11-09	Tennessee Valley Authority	Method for applying coatings to solid particles
US4042366A (en) *	1976-04-05	1977-08-16	The O.M. Scott & Sons Company	Controlled release fertilizer
AU652900B2 (en) *	1991-02-14	1994-09-08	O.M. Scott & Sons Company, The	Abrasion resistant coatings for fertilizers
US5219465A (en) *	1991-03-08	1993-06-15	The O.M. Scott & Sons Company	Sulfur coated fertilizers and process for the preparation thereof

1993
- 1993-06-14 US US08/076,447 patent/US5405426A/en not_active Expired - Lifetime
1994
- 1994-06-13 NZ NZ268500A patent/NZ268500A/en not_active IP Right Cessation
- 1994-06-13 CA CA002164986A patent/CA2164986C/fr not_active Expired - Lifetime
- 1994-06-13 IL IL110010A patent/IL110010A/en not_active IP Right Cessation
- 1994-06-13 EP EP94920736A patent/EP0703884B1/fr not_active Expired - Lifetime
- 1994-06-13 AU AU71729/94A patent/AU677358B2/en not_active Ceased
- 1994-06-13 WO PCT/US1994/006714 patent/WO1994029239A1/fr not_active Ceased
- 1994-06-13 PT PT94920736T patent/PT703884E/pt unknown
- 1994-06-13 DE DE69426696T patent/DE69426696D1/de not_active Expired - Lifetime
- 1994-06-13 AT AT94920736T patent/ATE199144T1/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
IL110010A0 (en)	1994-10-07
AU7172994A (en)	1995-01-03
ATE199144T1 (de)	2001-02-15
WO1994029239A1 (fr)	1994-12-22
AU677358B2 (en)	1997-04-17
EP0703884A4 (fr)	1998-01-07
EP0703884B1 (fr)	2001-02-14
CA2164986C (fr)	2005-01-25
US5405426A (en)	1995-04-11
DE69426696D1 (de)	2001-03-22
CA2164986A1 (fr)	1994-12-22
EP0703884A1 (fr)	1996-04-03
NZ268500A (en)	1997-11-24
PT703884E (pt)	2001-08-30

Legal Events

Date	Code	Title
1998-07-15	FF	Patent granted
1998-12-27	KB	Patent renewed
2004-07-25	KB	Patent renewed
2008-08-10	KB	Patent renewed
2012-06-28	KB	Patent renewed
2015-01-29	EXP	Patent expired

Publication	Publication Date	Title
AU677358B2 (en)	1997-04-17	Processes for the preparation of sulfur coated fertilizers and products produced thereby
US5219465A (en)	1993-06-15	Sulfur coated fertilizers and process for the preparation thereof
KR100365254B1 (ko)	2003-02-25	비료용내마모성피복물
US4636242A (en)	1987-01-13	Sulfur-based encapsulants for fertilizers
FI110774B (fi)	2003-03-31	Väkilannoitteille tarkoitetut hankausta kestävät päällysteet
CA2078695C (fr)	2001-12-18	Engrais encapsules a degagement lent
EP1070691B1 (fr)	2003-12-03	Engrais a revetement en plusieurs couches de polymère-soufre-polymère
US6080221A (en)	2000-06-27	Vacuum coated particulate fertilizers
US5176734A (en)	1993-01-05	Granular fertilizer with a decomposable coating and process for producing the same
EP0255752B1 (fr)	1991-11-06	Engrais granulé à revêtement dégradable et son procédé de fabrication
WO1996018591A1 (fr)	1996-06-20	Engrais de type matrice a liberation regulee et son procede de preparation
JP7638969B2 (ja)	2025-03-04	種子、肥料および有害生物防除剤用のｐｌａ／ｐｈａ生分解性コーティング
CA3114641A1 (fr)	2020-04-02	Revetement agricole contenant un ester de sucre et procedes
FI114703B (fi)	2004-12-15	Menetelmä kalvopäällysteisten lannoiterakeiden valmistamiseksi
EP0520456B1 (fr)	1995-08-30	Composition de revêtement et son procédé d'utilisation pour l'enrobage d'engrais granulaires
AU2002306599A1 (en)	2003-03-06	Controlled release products and processes for the preparation thereof
NZ527858A (en)	2005-02-25	Controlled release fertilizer products where less than 15 weight % of core material is releasd in within 24 hours and 75 weight % is released in 60 days or less
CA1069718A (fr)	1980-01-15	Ingredients liberant progressivement des matieres solubles dans l'eau, et procede de fabrication
JPH07215789A (ja)	1995-08-15	多層被覆粒状肥料及びその製造法
CN85108881A (zh)	1987-06-03	长效肥料
JPH0139995B2 (fr)	1989-08-24
JPH06191981A (ja)	1994-07-12	肥料被覆用組成物および被覆粒状肥料およびその製造法
JPH1192260A (ja)	1999-04-06	分解性被覆粒状肥料とその製造方法
JPH06191980A (ja)	1994-07-12	肥料被覆用組成物および被覆粒状肥料およびその製造法