| 聚丙烯酰胺的水土保持机制及研究进展 |
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| 引用本文： | 李晶晶,白岗栓.聚丙烯酰胺的水土保持机制及研究进展[J].中国水土保持科学,2011,9(5):115-120. |
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| 作者姓名： | 李晶晶 白岗栓 |
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| 作者单位： | 1. 中国科学院水利部水土保持研究所
2. 中国科学院水利部水土保持研究所;西北农林科技大学水土保持研究所 712100 陕西杨凌 |
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| 基金项目： | 国家“十二五”科技支撑计划项目“黄土丘陵沟壑区水土保持与高效农业关键技术集成与示范”(2011BAD31B05); 水利部科技推广项目“保水剂技术的推广应用”(TG1144) |
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| 摘 要： | 水土流失是我国主要环境问题之一。聚丙烯酰胺(PAM)作为一种高分子聚合物,具有絮凝作用和水合作用,可提高土壤水分入渗,减少地表径流。PAM对土壤无毒害作用,可保肥、增产、集雨,在农业生产中具有广泛的应用前景。针对PAM的水土保持功能,介绍PAM水土保持机制、施用过程中涉及的关键因素、应用前景及存在的问题。PAM的类型较多,水土保持效果随施用类型、施用方法、施用量变化而不同。PAM在水土流失治理过程中应与当地的土壤、气候、地貌、植被等密切结合,才能发挥其最大功能。今后研究中应注重PAM施用后土壤侵蚀通用模型的建立及新型PAM产品的开发,为PAM在水土保持中的推广提供理论依据。
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| 关 键 词： | 聚丙烯酰胺 水土流失 防治机制 应用前景 应用问题 |
Mechanism of PAM on soil and water conservation and its development |
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| Li Jingjing,Bai Gangshuan.Mechanism of PAM on soil and water conservation and its development[J].Science of Soil and Water Conservation,2011,9(5):115-120. |
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| Authors: | Li Jingjing Bai Gangshuan |
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| Institution: | Li Jingjing1,Bai Gangshuan1,2(1.Institute of Soil and Water Conservation,Chinese Academy of Science and Ministry of Water Resources,2.Institute of Soil and Water Conservation,Northwest A&F University: 712100,Yangling,Shaanxi,China) |
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| Abstract: | Soil and water loss is one of the major environmental problems in China.As a high molecular polymer,PAM possesses flocculation and hydration effects,and thus could improve soil water infiltration and reduce surface runoff.PAM has no toxic effects on soil,and it could preserve fertilizer,increase yields,harvest rainfall,and has a broad application prospect in agriculture production.According to the function of PAM on soil and water conservation,this paper mainly introduces the soil and water conservation mec... |
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| Keywords: | polyacrylamide(PAM) soil erosion preventive mechanism application prospects application problems |
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