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| 水溶性合成高分子对磷在土壤中有效性的影响 | |
| 引用本文： | 化全县,李见云,周健民,杜昌文,汤建伟.水溶性合成高分子对磷在土壤中有效性的影响[J].土壤,2007,39(4):668-671. |
| 作者姓名： | 化全县 李见云 周健民 杜昌文 汤建伟 |
| 作者单位： | 1. 土壤与农业可持续发展国家重点实验室(中国科学院南京土壤研究所),南京,210008;国家钙镁磷复合肥技术研究推广中心,郑州大学化工学院,郑州,450001 2. 郑州航空工业管理学院工业工程系,郑州,450015 3. 土壤与农业可持续发展国家重点实验室(中国科学院南京土壤研究所),南京,210008 4. 国家钙镁磷复合肥技术研究推广中心,郑州大学化工学院,郑州,450001 |
| 基金项目： | 国家自然科学基金;加拿大钾磷研究所资助项目 |
| 摘 要： | 通过恒温培养试验研究了水溶性高分子材料聚乙烯醇、聚乙二醇和聚丙烯酰胺对P肥(Ca(H2PO4)2)在土壤中有效性的影响.结果表明:水溶性高分子材料改变了P在土壤中的吸附过程.添加聚乙烯醇和聚乙二醇的土壤pH和水溶性P含量随培养时间增加而降低;前者的土壤Olsen P含量随培养时间增加先降低后升高,后者的土壤Olsen P含量则较为恒定,为P 52mg/kg.添加聚丙烯酰胺的土壤水溶性P和Olsen P含量均随培养时间增加而增加,至培养60天时,水溶性P和Olsen P含量分别为P 0.62、60.01 mg/kg;pH变化不显著,约为4.74. |
| 关 键 词： | 磷 聚乙烯醇 聚乙二醇 聚丙烯酰胺 |
Effects of Water-Soluble Polymeric Compounds on Phosphorus Availability in Ferrosols |
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| HUA Quan-xian,LI Jian-yun,ZHOU Jian-min,DU Chang-wen and TANG Jian-wei.Effects of Water-Soluble Polymeric Compounds on Phosphorus Availability in Ferrosols[J].Soils,2007,39(4):668-671. | |
| Authors: | HUA Quan-xian LI Jian-yun ZHOU Jian-min DU Chang-wen and TANG Jian-wei |
| Institution: | State Key Laboratory of Soil and Sustainable Agriculture (Institute of Soil Science, Chinese Academy of Science), Nanjing 210008, China;National Centre of Research & Popularization on Calcium, Magnesium, Phosphate and Compound Fertilizer Technology, School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China,Department of Industrial Engineering, Zhengzhou Institute of Aeronautical Industry Management, Zhengzhou 450015, China,State Key Laboratory of Soil and Sustainable Agriculture (Institute of Soil Science, Chinese Academy of Science), Nanjing 210008, China,State Key Laboratory of Soil and Sustainable Agriculture (Institute of Soil Science, Chinese Academy of Science), Nanjing 210008, China and National Centre of Research & Popularization on Calcium, Magnesium, Phosphate and Compound Fertilizer Technology, School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China |
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