| Patents for A01C 21 - Methods of fertilising (3,888) |
|---|
| 11/08/1988 | US4782774 Deep band fertilizer and double side band seeding attachment |
| 10/19/1988 | CN88212162U Auto-pushing solid fertilizer deep distributor |
| 10/11/1988 | US4776130 Plant fertilizer holder |
| 09/20/1988 | US4772490 Method for producing a water-permeable covering on granular water-soluble substances |
| 08/03/1988 | CN87108313A Method of mixed application of plant ash combined with chemical fertilizer |
| 05/25/1988 | EP0268171A1 Fertiliser rods and method for producing them |
| 05/19/1988 | WO1988003521A1 Process for the manufacture of fertilizer pellets, and fertilizer pellets produced by said process |
| 05/11/1988 | DE3638039A1 Process for producing fertiliser rodlets, and fertiliser rodlets produced by the process |
| 05/03/1988 | CA1235953A1 Seeding apparatus with fertilizer spreader |
| 04/28/1988 | DE3635805A1 Fertiliser article which can be handled in solid form |
| 04/19/1988 | US4738377 Method and apparatus for controlling rate of application of fertilizer |
| 02/09/1988 | US4723495 Single blade sealer for fertilizer applicator |
| 01/12/1988 | CA1231247A1 Process and apparatus for treating damaged vegetation |
| 11/25/1987 | EP0246860A1 Plant fertilizer holder |
| 10/13/1987 | CA1227998A1 Plant care products |
| 09/29/1987 | US4696430 Method and apparatus for applying powdered substances on farm fields, forrests and swamp areas |
| 08/19/1987 | CN86101056A Using kcl as plant fertilizer |
| 08/18/1987 | US4686790 Water soluble polymer, nitrogen source, coating of water resistant polymer |
| 08/05/1987 | EP0230601A2 Process for producing a water-permeable skin on water-soluble particulate material |
| 07/02/1987 | WO1987003774A1 Process and device for loosening soil |
| 06/30/1987 | US4676538 Fertilizer implanting tool |
| 06/25/1987 | DE3545970A1 Verfahren und vorrichtung zur auflockerung von boeden Method and device for loosen up of soils |
| 06/10/1987 | EP0224990A1 Degradable agricultural mulch film |
| 03/31/1987 | US4653412 Deep band fertilizer and double side band seeding attachment |
| 03/24/1987 | US4652294 Foliar fertilization method and compounds |
| 03/03/1987 | US4646663 Fertilizer disc assembly for a planter |
| 02/26/1987 | DE3530297A1 Plant food rodlet and the process for its preparation |
| 01/29/1987 | DE3619758C1 Control desk with supply-line and control-line connections for operating an appliance for the treatment of areas of the ground and of plants rooted in the ground, especially trees |
| 01/21/1987 | EP0209443A1 Sowing wheel additionally functioning as a deep placement fertilizer distributor |
| 01/20/1987 | US4637328 No-till planter |
| 12/16/1986 | US4628840 Combination coulter and fertilizer knife apparatus |
| 12/09/1986 | US4627191 Article for treating soil around growing plants |
| 09/02/1986 | US4609152 Method and apparatus for applying powdered substances on farm fields, forests and swamp areas |
| 07/30/1986 | EP0087451B1 Nutrient and/or plant protecting peg with a protracted release of active ingredient |
| 06/24/1986 | US4596199 Single blade sealer for fertilizer applicator |
| 06/03/1986 | US4592294 Knife applicator for dry and liquid fertilizer |
| 05/20/1986 | US4589225 Plant fertilization using a microbiological system for phosphorus extraction and distribution |
| 04/15/1986 | US4581846 System and method for the fertilization of forest, farm and other large plant communities |
| 01/21/1986 | US4565141 Seeding apparatus with fertilizer applicator |
| 12/24/1985 | CA1198318A1 Soil conservation intercropping |
| 12/17/1985 | US4558559 Apparatus for pelletizing and distributing lawn clippings |
| 10/15/1985 | CA1195118A1 Method and system for transplanting seedlings |
| 12/04/1984 | CA1178850A1 Combination seeder and fertilizer shovels for air seeding devices |
| 11/21/1984 | EP0125370A1 Process for the treatment of damaged vegetation, and device for carrying out the process |
| 08/07/1984 | CA1172107A1 Earth working tool and holder therefor |
| 06/29/1984 | EP0087451A4 Nutrient and/or plant protecting peg with a protracted release of active ingredient. |
| 05/01/1984 | US4445445 Apparatus for fertilizing soil with a V-blade plow |
| 03/07/1984 | EP0102267A1 Implement for depositing an agricultural material in the soil |
| 02/07/1984 | EP0087439A4 A method for treating saltings and heavy soils with potassium fertilizers. |
| 01/18/1984 | EP0098712A2 Plant care products |
| 11/29/1983 | US4417530 Planting apparatus |
| 09/07/1983 | EP0087451A1 Nutrient and/or plant protecting peg with a protracted release of active ingredient. |
| 09/07/1983 | EP0087439A1 A method for treating saltings and heavy soils with potassium fertilizers |
| 03/17/1983 | WO1983000796A1 Nutrient and/or plant protecting peg with a protracted release of active ingredient |
| 03/17/1983 | WO1983000795A1 A method for treating saltings and heavy soils with potassium fertilizers |
| 11/30/1982 | CA1136416A1 Device for the protection of plants from attacks by harmful insects |
| 09/07/1982 | US4348218 Fertilizer briquette adapted to be hammered into the ground |
| 08/10/1982 | CA1129256A1 Agricultural apparatus and agricultural methods |
| 12/08/1981 | US4304069 Slope protection method for planting |
| 10/27/1981 | US4297130 Spraying an aqueous solution of a condensation product of urea and formaldehyde; sustained release |
| 03/24/1981 | CA1097907A1 Tree treating system |
| 01/27/1981 | US4246854 Fertilizer injector tool |
| 11/04/1980 | US4231306 Apparatus for injecting granular material in soil |
| 10/29/1980 | EP0018314A1 Tunnel forming and poison depositing device for exterminating subsoil rodents |
| 10/01/1980 | EP0016499A1 Agricultural apparatus and agricultural methods |
| 12/18/1979 | US4178716 Nutrient film technique |
| 11/27/1979 | CA1066906A1 Method for in-furrow treatment of seeds and soil |
| 10/02/1979 | US4169420 Root feeder |
| 05/29/1979 | CA1055443A1 Packaged treating units and method of making same |
| 05/01/1979 | US4152215 Apparatus for controlling pH of culture solution for a living organism |
| 04/17/1979 | US4149970 Method of treating water for horticultural uses |
| 03/27/1979 | US4146383 Increases yeild of seeds |
| 02/27/1979 | CA1049263A1 System for growing plants |
| 11/07/1978 | US4123980 Root feeder |
| 10/17/1978 | CA1040451A1 Production of a coal-base soil beneficiating pellet containing active slow-release granules in a starch and hydrocarbon solid |
| 10/10/1978 | US4118891 System for growing plants |
| 07/18/1978 | US4100861 Soil stabilizing apparatus |
| 03/28/1978 | US4081265 Pot water |
| 03/07/1978 | US4077511 Tree and shrub feeder |
| 12/20/1977 | US4063523 Soil stabilizing apparatus |
| 12/06/1977 | US4061783 Packaged units and method of making same |
| 07/05/1977 | US4033747 Silvicultural fertilization |
| 06/28/1977 | US4031833 Injection irrigating process and apparatus |
| 03/15/1977 | US4011685 Plant injection method and apparatus |
| 11/23/1976 | US3992813 Tree treating system |
| 11/09/1976 | US3990181 Novel irrigation system and method for its application |
| 08/31/1976 | US3977571 Liquid applying means |
| 01/20/1976 | US3933458 Method of making a rigid unitary fertilizer composite |