Effects of Combined Application of Organic and Inorganic Fertilizer on Soil Nitrogen Runoff in Vegetable Field

NING Jian-feng; XU Pei-zhi; YANG Shao-hai; ZOU Xian-zhong; LUO Wen-jian; CHEN Yong; SUN Li-li; WEI Lan; WU Jin-long

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Effects of Combined Application of Organic and Inorganic Fertilizer on Soil Nitrogen Runoff in Vegetable Field

更新时间：2024-11-07

- Effects of Combined Application of Organic and Inorganic Fertilizer on Soil Nitrogen Runoff in Vegetable Field
- Vol. 25, Issue 3, (2011)
- 作者机构：
  
  广东省农业科学院土壤肥料研究所,广东省养分资源循环利用与耕地保育重点实验室,广东,广州,510640
- 作者简介：
- 基金信息：
- DOI：
  CLC： S157.1
- Published：2011
- 稿件说明：
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NING Jian-feng, XU Pei-zhi, YANG Shao-hai, et al. Effects of Combined Application of Organic and Inorganic Fertilizer on Soil Nitrogen Runoff in Vegetable Field[J]. 2011, 25(3).
DOI：

NING Jian-feng, XU Pei-zhi, YANG Shao-hai, et al. Effects of Combined Application of Organic and Inorganic Fertilizer on Soil Nitrogen Runoff in Vegetable Field[J]. 2011, 25(3). DOI：

摘要

利用田间小区试验

研究了无机肥配施不同用量有机肥对菜地土壤氮素径流流失的影响。结果表明

施肥显著增加菜地土壤氮素径流流失量。单施无机肥处理总氮、硝态氮和铵态氮流失量均最高

分别为4.20

1.22

2.30kg/hm2。配施有机肥可降低不同形态氮流失量

且随有机肥配施量增加而显著降低。配施高量有机肥处理总氮、硝态氮和铵态氮流失量相比单施无机肥处理分别降低了53.4%

58.2%和56.0%。不同处理下

矿质态氮(硝态氮+铵态氮)流失量占总氮流失量的76.8%～84.0%

矿质态氮是土壤氮径流输出的主要形态。试验期间

不同处理硝态氮浓度均未超过地表水环境质量标准限值

铵态氮和总氮浓度相对较高

存在一定的污染风险。氮肥追施一定程度上易增加其施用几天内降雨径流液的硝态氮浓度。

Abstract

A field plot experiment was conducted to study the effects of combined application of organic and inorganic fertilizer on soil nitrogen runoff in vegetable field.The results showed that fertilizer application increased the nitrogen loss via runoff.The highest losses of total nitrogen

nitrate nitrogen and ammonium nitrogen were 4.20

1.22

2.30 kg/hm2

respectively

as treated by inorganic fertilizer alone.The nitrogen loss decreased significantly with the increased combined application of organic and inorganic ...

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Related Institution

College of Resources and Environment, Southwest University

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XIA Xiao-jiang1,HU Qing-yu2,ZHU Li-qun2,CHEN Chang-qing2,BIAN Xin-min1,2(1.College of Resources and Environmental Science,Nanjing Agricultural University,Nanjing,Jiangsu 210095,2.College of Agriculture,Jiangsu 210095)

北京市农林科学院植物营养与资源研究所,北京,1000972. 北京市农林科学院植物营养与资源研究所,北京,1000973. 南京大学地理与海洋科学学院

WEI Zong-qiang1,2,LI Ji-jin2,WU Shao-hua1(1.School of Geographic and Oceanographic Science,Nanjing University,Nanjing 210093,2.Institute of Plant Nutrition and Resources,Beijing Academy of Agriculture and Forestry Sciences,)

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