土壤耕作与农业非点源污染王珂，朱荫湄，王人潮（浙江农业大学环境与资源学院杭州３１００２９）土壤水和空气是自然环境的主要组成部分。土壤耕作管理措施制定时，经常仅设法排除限制因子以获得最适宜的产量。只是在近二十多年来，才更多注意土壤耕作管理对水和空气质量... Soil cultivation and agricultural non-point source pollution WANG Ke, ZHU Yinmei, WANG Renchao (College of Environment and Resources, Zhejiang Agricultural University, Hangzhou 310029) Soil water and air are the main components of natural environment. When soil management practices are developed, it is often best to exclude only the limiting factors in order to obtain the optimum yield. Only in the past two decades or so have we paid more attention to soil and tillage management to water and air quality ...