Temporal and Spatial Distribution of Nitrogen and Phosphorus Cropland Load of Livestock Manure in Breeding Industry of Shaanxi Province

YI Xiu; CHEN Shengjing; TIAN Hao

doi:10.13961/j.cnki.stbctb.2016.03.040

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Temporal and Spatial Distribution of Nitrogen and Phosphorus Cropland Load of Livestock Manure in Breeding Industry of Shaanxi Province

- Temporal and Spatial Distribution of Nitrogen and Phosphorus Cropland Load of Livestock Manure in Breeding Industry of Shaanxi Province
- Bulletin of Soiland Water Conservation Vol. 36, Issue 3, Pages: 235-240(2016)
- 作者机构：
  
  1. 长安大学环境科学与工程学院,陕西,西安,710054
  2. 旱区地下水文与生态效应教育部重点实验室,陕西,西安,710054
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2016.03.040
  CLC：
- Published：2016
- 稿件说明：
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YI Xiu, CHEN Shengjing, TIAN Hao. Temporal and Spatial Distribution of Nitrogen and Phosphorus Cropland Load of Livestock Manure in Breeding Industry of Shaanxi Province[J]. Bulletin of Soiland Water Conservation, 2016, 36(3): 235-240.
DOI：

YI Xiu, CHEN Shengjing, TIAN Hao. Temporal and Spatial Distribution of Nitrogen and Phosphorus Cropland Load of Livestock Manure in Breeding Industry of Shaanxi Province[J]. Bulletin of Soiland Water Conservation, 2016, 36(3): 235-240. DOI： 10.13961/j.cnki.stbctb.2016.03.040.

摘要

［目的］探明畜禽粪便资源对耕地土壤和环境造成的潜在污染风险，为评价和防治畜禽养殖业造成的面源污染提供科学依据。［方法］以陕西省为研究区，通过计算陕西省畜禽粪便中氮磷耕地负荷，分析了其时空变化特征。［结果］（1）陕西省各市区畜禽粪便氮磷耕地负荷从2006-2007年达到最大，到2008年急剧下降为最低，之后逐年增加。2008-2010年，氮负荷平均值增加了73.0%，磷负荷增加了59.4%；2008-2010年，延安、渭南两市畜禽粪便氮磷耕地负荷虽然居于全省最后，但增长率最快。（2）对比2008年和2010年的畜禽粪便氮磷耕地负荷空间分布变化，汉中市氮磷耕地负荷最大，延安市和渭南市最小。2010年各市畜禽粪便氮负荷平均值依次为：汉中 > 安康 > 榆林 > 宝鸡 > 咸阳 > 商洛 > 铜川 > 西安 > 延安 > 渭南；磷耕地负荷平均值依次为：汉中 > 商洛 > 宝鸡 > 榆林 > 咸阳 > 西安 > 安康 > 铜川 > 延安 > 渭南。［结论］针对陕西省畜禽粪便氮磷耕地负荷的时间、空间分布变化，应加大汉中、安康、商洛、宝鸡、榆林等区域畜禽粪便的处理力度，降低畜禽粪便造成水土资源污染的风险。

Abstract

[Objective] Investigating the potential pollution risks of livestock manure to soil and other environment in order to provide a scientific basis for prevention and control non-point source pollution caused by breeding industry.[Methods] Taking Shaanxi Province as an example

nitrogen and phosphorus cropland load of livestock manure were calculated and the spatial and temporal distribution features were analyzed.[Results] (1) Nitrogen and phosphorus cropland load of livestock manure in Shaanxi Province reached to the maximum in the period from 2006 to 2007

while decreased dramatically to the minimum in 2008

and then increased gradually. From 2008 to 2010

the average value of nitrogen and phosphorus cropland load increased by 73.0% and 59.4%

respectively. Although nitrogen and phosphorus cropland load of livestock manure in Yan'an and Weinan City was the lowest among all the cities

the growth rate was the fastest. (2) According to the spatial distribution of nitrogen and phosphorus cropland load between 2008 and 2010

nitrogen and phosphorus cropland load was the maximum in Hanzhong City

while it was the minimum in Yan'an and Weinan City. In 2010

the average value of nitrogen cropland load showed as:Hanzhong > Ankang > Yulin > Baoji > Xianyang > Shangluo > Tongchuan > Xi'an > Yan'an > Weinan

and the average value of phosphorus cropland load showed as:Hanzhong > Shangluo > Baoji > Yulin > Xianyang > Xi'an > Ankang > Tongchuan > Yan'an > Weinan.[Conclusion] Based on a comprehensive analysis in Shaanxi Province

it suggests that livestock manures should be disposed intensively in Hanzhong

Ankang

Shangluo

Baoji and Yulin City

so that the pollution risks of soil and water resource can be decreased.

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