农业生态系统中N素在土水界面的迁移转化研究进展

Research progress on N movement between soil and water interface in agro-ecosystem

摘要: 阐述了农业生态系统中N素在外界条件下(如灌溉、降水)从土壤向水体扩散过程及迁移转化特征及其研究方法、国内外非点源污染模型的建立与存在的不足。

Abstract: N movement between soil and water interface and its research method are reviewed in this paper under the conditions of out-world(such as irrigations and rains)in agro-ecosystem．The construction and defects of the non-point source pollution transfer model are given also ．