| Effect of Potassium-polyacrylate-polypropylene-acylamine Copolymer on increasing available nitrogen of soil |
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| DOI：10.7606/j.issn.1000-7601.2007.02.22 |
| Key Words: water-solubility Potassium-polyacrylate-polypropylene-acylamine Polymer available nitrogen of soil |
| Author Name | Affiliation | | SONG Bao-xing | Northwestern Polytechnical University, Xi’an,Shaanxi 710072,China | | LIU Jian-rui | Northwestern Polytechnical University, Xi’an,Shaanxi 710072,China | | GUO Tian-wen | Gansu Academy of Agricultural Sciences,Lanzhou,Gansu 730070,China | | JIANG Xiao-feng | Gansu Academy of Agricultural Sciences,Lanzhou,Gansu 730070,China | | HUANG Wei-dong | Northwestern Polytechnical University, Xi’an,Shaanxi 710072,China | | NING Rong-chang | Northwestern Polytechnical University, Xi’an,Shaanxi 710072,China |
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| Abstract: |
| The effect of water-solubility Potassium-polyacrylate-polypropyleneacylamine Polymer on increasing the content of available nitrogen of soil was studied.The results showed that the content of soil water diffuse increased with time on different lay with water-solubility Potassium polyacrylate-polypropylene-acylamine Polymer treatment,which retains soil water in small scope;Potassium-polyacrylate-polypropylene-acylamine Copolymer adsorbs the nitrogen dissolving in water,thereafter transfuses it in soil.This lead to that nitrogen in solution diffuses under restricted condition,which greatly increases the content of available nitrogen. |
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