| Patents for A01B 79 - Methods for working soil (3,372) |
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| 06/15/1995 | WO1995016228A1 Method and apparatus for operating geography-altering machinery relative to a work site |
| 06/15/1995 | CA2152960A1 Method and apparatus for operating geography-altering machinery relative to a work site |
| 05/24/1995 | EP0653910A1 Method of cultivation of coal and lignite infields formed by uncovering (open cast mining) |
| 05/17/1995 | CN1102534A Combined method for production of crops and breeding filariform earthworms, crabs, frogs and fishes by utilizing organic waste material |
| 05/04/1995 | DE4444373A1 Navigation and quality-assurance method for blanket application of substances using aircraft in the context of air work |
| 04/18/1995 | US5406747 Device for regeneration and sterilization of earth, sand or the like |
| 03/30/1995 | DE4409112A1 Method for protecting agriculturally or horticulturally utilisable areas against substance translocation |
| 03/29/1995 | CN1100586A Method for reform of low yield cultivated land |
| 03/09/1995 | WO1995002318A3 Process for working exploitable territories |
| 03/09/1995 | WO1995002220A3 Biosolids tracking system |
| 02/16/1995 | WO1995004870A1 Soil sampler for analysis for fertilizer determination |
| 02/16/1995 | WO1995004450A1 Method of fertilizer application |
| 02/15/1995 | EP0637906A1 Apparatus for decompacting soil |
| 02/15/1995 | CN2189377Y Plastic furrow for paddy field |
| 01/26/1995 | WO1995002318A2 Process for working exploitable territories |
| 01/25/1995 | EP0635960A1 Agricultural communication network |
| 01/23/1995 | CA2123147A1 Agricultural communication network |
| 01/19/1995 | WO1995002220A2 Biosolids tracking system |
| 01/19/1995 | WO1995001719A1 Variable application of irrigation water and chemicals |
| 01/19/1995 | DE4424513A1 Biological process for improving soils used for agricultural purposes |
| 01/19/1995 | DE4423083A1 Process for working a surface area on the ground, and arrangement for carrying out the process |
| 01/19/1995 | CA2166206A1 Biosolids tracking system |
| 01/12/1995 | DE4322293A1 Method for the electronic management of agricultural machines |
| 12/22/1994 | WO1994028705A1 Method of cultivation of coal and lignite infields formed by uncovering (open cast mining) |
| 12/22/1994 | CA2141681A1 Method of cultivation of coal and lignite infields formed by uncovering (open cast mining) |
| 12/07/1994 | EP0627158A1 Method and apparatus for soil cultivation |
| 11/17/1994 | DE4315858A1 Continuous process for the deep-penetration improvement of soils by means of a bucket wheel |
| 11/09/1994 | CN1026454C Method of raising ground temp. for cultivating crop |
| 11/02/1994 | EP0622005A1 Method for preparing the ground of plantation areas and machine for carrying out the same |
| 10/18/1994 | US5355815 Apparatus for treating an area of soil |
| 09/28/1994 | EP0616711A1 Networked agricultural monitoring and control system |
| 09/21/1994 | EP0615682A1 Closed-loop variable rate applicator |
| 09/20/1994 | CA2118621A1 Closed-loop variable rate applicator |
| 08/11/1994 | DE4303811A1 Process for the rehabilitation of contaminated soils, based on leaching by means of plants with recovery of valuable materials |
| 08/10/1994 | EP0609657A1 Broadcaster |
| 07/28/1994 | DE4302198A1 Weed-killing system between young plants in rows |
| 07/28/1994 | DE4302021A1 Removing heavy metal sulphide(s) from solids, e.g. soil or waste |
| 07/28/1994 | DE4302020A1 Oxidative destruction of organic substances deposited on solids esp. in soil |
| 07/27/1994 | EP0616711A4 Networked agricultural monitoring and control system. |
| 06/30/1994 | DE4314079C1 Water exchange bodies for soil improvement |
| 06/01/1994 | DE4240580A1 Formation of humus layers on e.g. rubbish dumps to provide reclaimed and for long-term agricultural use - comprises working compost into surface, applying mineral fertiliser, then sowing plants and subsequently working into surface |
| 05/19/1994 | DE4342171A1 Agricultural land treatment using controlled fertiliser and manure spreading - using satellite global positioning system to determine instantaneous position of tractor for storage in and delivery from control computer |
| 04/19/1994 | US5303662 Minimum tillage tool bar and method for using same |
| 03/23/1994 | CN1084006A Film-mulched wheat growing method |
| 02/22/1994 | US5287818 To improve agricultural production |
| 01/20/1994 | DE4223769A1 In-situ process to adjust pH value of soil - by injection of carbon di:oxide through vertical borehole and horizontal drain holes |
| 01/19/1994 | EP0578988A1 Spreader or sprayer for agricultural products |
| 01/12/1994 | EP0578325A1 Method and apparatus for navigating an automatic guided vehicle |
| 12/29/1993 | EP0576121A1 Variable rate application system |
| 12/07/1993 | CA2009339C Method and apparatus for treating turf |
| 11/11/1993 | WO1993021753A1 Apparatus for decompacting soil |
| 11/09/1993 | US5260875 Networked agricultural monitoring and control system |
| 10/28/1993 | DE4213315A1 Improving permeability of cohesive ground - involves pressing in permeable material to enhance water removal power of wells |
| 09/21/1993 | US5246164 Method and apparatus for variable application of irrigation water and chemicals |
| 06/30/1993 | EP0548890A1 Direct seeding method and device for the application of this method |
| 06/22/1993 | US5220876 Variable rate application system |
| 06/09/1993 | CN1072811A Method of raising ground temp. for cultivating crop |
| 05/26/1993 | CN1072306A Water preservation and fertilizer preservation method for paddy rice field |
| 04/06/1993 | CA2009340C Method and apparatus for soil cultivation by high pressure injection of fluids |
| 03/04/1993 | WO1993004434A1 Networked agricultural monitoring and control system |
| 03/04/1993 | CA2115836A1 Networked agricultural monitoring and control system |
| 03/02/1993 | CA1314071C Soil chemical sensor and precision agricultural chemical delivery system and method |
| 12/30/1992 | EP0519913A1 Method and apparatus for soil cultivation. |
| 10/01/1992 | DE4110208A1 Preventing germination of weeds in agriculture - by simulating night-time conditions by encapsulating plough in light impermeable material |
| 09/17/1992 | DE4107723A1 Cultivation process for ecological agriculture - comprises ploughing the soil, sowing and harvesting a first crop, applying natural salt soln. for weed control and sowing and harvesting a second crop |
| 09/03/1992 | DE4205094A1 Local improvement of plant growth - by soil aeration and/or sunlight reflection |
| 08/11/1992 | CA1306143C Method for common cultivation of corn and sorghum for producing silage |
| 08/06/1992 | WO1992012615A1 Method and device for soil cultivation |
| 07/23/1992 | DE4100758A1 Removal of pollutants from substrates e.g. soil - by cultivating on the substrate, plants which are capable of taking=up and storing the pollutants, esp. heavy metals, then sepg. the pollutants from the harvested plants |
| 07/14/1992 | CA1305241C Agricultural tractor communication system |
| 06/09/1992 | US5119744 Method and apparatus for treating turf |
| 04/30/1992 | DE4033917A1 Restoration of land and waste heaps e.g. from uranium mining - by applying a mixt. of paper mill waste, chopped straw, water, plant seeds and nutrient substrate |
| 04/22/1992 | CN1060382A Method for improving poor farmland into fertile one |
| 04/01/1992 | EP0340273B1 Installation for working arable land |
| 03/18/1992 | CN1059444A Soil improving method by using blind drains for sprinkling irrigation |
| 11/27/1991 | EP0458107A1 Board computer system for combinations of agricultural machines and implements |
| 09/24/1991 | US5051166 Soil rinsing apparatus |
| 09/24/1991 | US5050771 Repeatable pattern field spraying control |
| 07/23/1991 | US5033397 Soil chemical sensor and precision agricultural chemical delivery system and method |
| 07/10/1991 | EP0436493A2 Method and composition for biological degradation of oil pollution |
| 05/30/1991 | WO1991007078A1 Method and apparatus for soil cultivation |
| 05/30/1991 | WO1991007077A1 Method and apparatus for treating turf |
| 03/21/1991 | WO1991003148A1 Method and device for dosing for instance fertilizers, chemicals and/or seed grain in a field |
| 08/01/1990 | EP0289517B1 Process and device for loosening soil |
| 05/30/1990 | EP0370593A2 Soil chemical sensor and precision method for determining the amount of agricultural chemicals |
| 05/02/1990 | EP0365965A1 Installation for washing soil |
| 03/22/1990 | WO1989008976A3 Apparatus for cultivating rice and other crops |
| 01/30/1990 | US4896730 Apparatus for cultivating rice and other crops |
| 11/29/1989 | EP0343348A2 Apparatus and method for cultivating rice and other crops |
| 11/08/1989 | EP0340273A1 Installation for working arable land |
| 10/18/1989 | CN1005447B Ploughing device and its method |
| 10/05/1989 | WO1989008976A2 Apparatus for cultivating rice and other crops |
| 05/24/1989 | EP0317549A2 Combined implement decompacting and tilling the top layer of the soil |
| 05/24/1989 | EP0317548A2 Soil-working machine |
| 05/18/1989 | WO1989004115A1 Installation for working arable land |
| 03/02/1989 | DE3811856A1 Process for the biological decontamination of soils |
| 03/01/1989 | EP0305220A2 Tillage implement |
| 02/16/1989 | DE3726282A1 Process and apparatus for separating pollutants from contaminated soils |
| 02/02/1989 | DE3724779A1 Process for treating contaminated soils and apparatus for carrying out the process |
| 12/21/1988 | CN87105995A Fine textured soil reclamation method |