摘要
本文对工业污染区防污林建设过程中土壤养分进行分析对比，结果显示：通过６年的综合改造，增加了土壤的有机质、速效Ｎ、Ｐ、Ｋ的含量，表明在恢复土壤养分功能方面。
The paper analyzes the changes of soil nutrients under preventive forests in industry polluted areas,the results show that organic matter,quick-acting N,P and K are all obviously increased compared wigh 6 years ago.The construction of pollution-prevented forests is beneficial to transforming polluted land and ecological regeneration. \ \
关键词
防污林
土壤养分
效益分析
Pollution-prevented forest Soil nutrient Benefit analysis
