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生态学杂志 ›› 1988, Vol. ›› Issue (3): 25-29.

• 专论与综述 • 上一篇    下一篇

农药对农田生态系统的影响(1)

张宗炳   

  1. 北京大学生物系
  • 收稿日期:1987-11-18 出版日期:1988-06-10

Effects of Agricultural Chemicals on Farmland Ecosystem(Ⅰ)

Zhang Zhongbing   

  1. Department of Biology, Beijing University
  • Received:1987-11-18 Online:1988-06-10

关键词: 农用稀土微肥, 土壤肥力, N形态转化, 安全性评价

Abstract: This paper summarized the direct and indirect influences of agricultural chemicals application on the organisms in farmland ecosystem. Agricultural chemicals could change the composition of biotic populations and communities, reduce diversities of biotic phases,and produce indirect influences on plants, microorganisms and non-target animals. Ten aspects of influences of insecticide on farmland ecosystem were summarized in the paper.

Key words: REEs, Soil fertility, Nitrogen, Risk assessment