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A Study on Key Ecological Technology in Controlling Agricultural Non-Point Source Pollution along Coastal Areas of Lake Dianchi
Author(s): 
Pages: 29-32,90
Year: Issue:  1
Journal: Environmental Science Survey

Keyword:  农田面源生态控制大颗粒肥料保护性栽培沟-基-塘系统滇池沿湖;
Abstract: 针对滇池沿湖地区农田面源污染的特点,结合种植生产实际情况,在分析已有研究成果的基础上,按照源-流-汇系统控制的思路,在滇池沿湖地区开展了大颗粒肥料加工施用技术;生物覆盖保护性栽培技术;沟-基-塘系统三项试验研究.实验表明生态控制技术对农田地表径流污染综合负荷TN、TN、CODcr和SS的平均去除率分别达到54.14%~59.78%、66.86% ~ 69.45%、42.20%~62.74%和48.83%~76.41%.生态控制技术的集成研究应用对于滇池沿湖地区生态农业发展和农田面源污染防控具有良好的作用.
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