Effects of Grass Hedges and No-tillage Practice on the Removing of Typical Agricultural Non-point Source Pollutants from Runoff

LI Xia; TAO Mei; XIAO Bo; WANG Qing-hai; CHEN Jian-ping

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Effects of Grass Hedges and No-tillage Practice on the Removing of Typical Agricultural Non-point Source Pollutants from Runoff

更新时间：2024-11-07

- Effects of Grass Hedges and No-tillage Practice on the Removing of Typical Agricultural Non-point Source Pollutants from Runoff
- Vol. 25, Issue 6, (2011)
- 作者机构：
  
  1. 辽宁工程技术大学环境科学与工程学院
  2. 北京市农林科学院草业与环境研究发展中心
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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LI Xia, TAO Mei, XIAO Bo, et al. Effects of Grass Hedges and No-tillage Practice on the Removing of Typical Agricultural Non-point Source Pollutants from Runoff[J]. 2011, 25(6).
DOI：

LI Xia, TAO Mei, XIAO Bo, et al. Effects of Grass Hedges and No-tillage Practice on the Removing of Typical Agricultural Non-point Source Pollutants from Runoff[J]. 2011, 25(6). DOI：

摘要

大量施用农业化学物质在提高作物产量的同时

也导致了严重的水体污染。在北京地区不同坡度的径流小区上

通过人工模拟降雨试验

研究免耕、草篱、以及免耕与草篱复合3种措施对农田径流中氮、磷、阿特拉津3种典型农业面源污染物的去除效果。结果表明:免耕措施可减少53%的总氮、51%的总磷和56%的阿特拉津流失;草篱措施可减少68%的总氮、61%的总磷和90%的阿特拉津流失;而免耕与草篱复合措施可减少77%的总氮、76%的总磷和92%的阿特拉津流失。另外

总氮、总磷和阿特拉津流失量均与径流量呈显著的线性正相关关系。本研究证实

免耕和草篱措施均能有效防止氮、磷以及阿特拉津随农田径流流失

对农业面源污染具有较好的防治效果

而这2种措施复合后能使其防治效果进一步增强。

Abstract

Chemical fertilizer and herbicide are widely used in agricultural production.These chemical substances not only significantly increase crop yields but also result in serious water pollution.This study was conducted to evaluate the effects of three practices(no-tillage

grass hedges

no-tillage and grass hedges) on the loss of nitrogen

phosphorus and atrazine with runoff.The results showed that no-tillage and grass hedges significantly reduced agricultural non-point source pollution.As compared to the control

...

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Related Institution

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