| Patents for C09K 109 - Ph regulation (233) |
|---|
| 09/15/2010 | CN101828441A Method for improving saline soil by using sunflower meals |
| 08/18/2010 | CN101803550A Method for planting tree on saline and alkali land |
| 08/18/2010 | CN101803495A Method for adjusting pH value of loam and clay lawn matrix by waste colloidal particles |
| 07/28/2010 | CN101787286A Composite soil modifier and application thereof |
| 07/21/2010 | CN101781567A Method for producing soil amendment by using papermaking black liquor wastewater and waste paper sludge |
| 07/21/2010 | CN101781566A Formula of sodic solonetzic soil modifier and preparation method thereof |
| 07/21/2010 | CN101781564A Facility vegetable land soil amendment using magnesite tailings and preparation method thereof |
| 07/07/2010 | CN101766071A Method for improving saline and alkaline grasslands by utilizing vinegar residues |
| 05/19/2010 | CN101085920B Method for preparing southern dry land acidic soil conditioner |
| 05/12/2010 | CN201458915U Intermittent rotary preparation device for preparing organic soil modifier |
| 04/07/2010 | CN101691490A Natural compound-based soil conditioner |
| 04/07/2010 | CN101691489A High efficient organic modifier for acidic soil |
| 01/27/2010 | CN100584196C Non-tilt single-plant independent rice-cultivating method |
| 12/16/2009 | CN101602947A Soil biological reactant and production process thereof |
| 11/11/2009 | CN101575518A Soil conditioner and preparation method |
| 08/26/2009 | CN100532499C Tobacco plant rhizosphere alkaline soil organic regulator |
| 03/25/2009 | CN100471931C Method for treating sludge to improve acid soil by using paper making wastewater |
| 12/17/2008 | CN100443563C Nutritive soil improver special for salt alkali land and its processing method |
| 04/16/2008 | CN101161771A Tobacco plant rhizosphere alkaline soil organic regulator |
| 12/12/2007 | CN101085920A Method for preparing southern dry land acidic soil conditioner |
| 12/05/2007 | CN101080994A Non-tilth single-plant independent rice-cultivating method |
| 10/04/2006 | CN1277903C Soil additive |
| 07/16/2002 | US6419836 Composition for treatment of water and reconditioning of soils |
| 12/11/2001 | CA2179318C Composition for treating water and sanitising soils |
| 07/24/2001 | US6263615 Bottom soils and filtering media for rearing fresh-water fish or hydroponically cultivated plants and water tanks using such bottom soils and filtering media |
| 09/05/2000 | US6112459 Prepared by mixing an alkali earth metal carbonate with a volcanic ash based soil and passing mixture through a tilted heated rotating pipe, discharging and sintering to form granules; keeps water ph in optimum range for plant, fish |
| 02/10/2000 | WO2000005945A1 Method and apparatus for destroying pathogenic and infesting organisms of crops |
| 02/24/1999 | EP0737169B1 Composition for treating water and sanitising soils |
| 10/16/1996 | EP0737169A1 Composition for treating water and sanitising soils |
| 07/06/1995 | WO1995018070A1 Composition for treating water and sanitising soils |
| 08/02/1994 | CA1331187C Azole hemiaminal derivatives and their use as nitrification inhibitors |
| 05/15/1990 | US4925476 Bacteriostats |
| 08/17/1988 | EP0278445A1 Azole semi-aminal derivatives and their use as nitrification inhibitors |