家畜生态学报2024，Vol.45Issue(7)：72-79,8.DOI:10.3969/j.issn.1673-1182.2024.07.011
种养结合模式下的畜禽粪污承载力分析研究
Load Capacity Analysis of Livestock Manure Under the Mode of Agricultural Crops Consuming Livestock Manure
摘要
Abstract
In the strategic context of comprehensive protection of the Yangtze River,a combined model of crop consuming livestock and poultry manure was adopted in order to control agricultural non-point source pollution.The nutrient balance method was used to calculate the pollutant production of livestock and poultry manure,land load,and the manure demand for major crops in Taihu County.The land carry-ing capacity of livestock and poultry manure in the entire county was estimated.The results showed that the total nitrogen and phosphorus production of livestock and poultry manure in the county are 5 807.59 t and 1 922.94 t,respectively.The pollutant load for farmland is Grade Ⅱ(potential environmental risk),which of individual townships is Grade Ⅳ(high environmental pollution risk).Based on nitrogen and phosphorus nutrients,the carrying capacity of livestock and poultry manure contaminated land in the coun-ty is 2.75 × 106 and 1.56 × 107 pig equivalent,respectively.The calculated land carrying capacity is much greater than the existing amount of livestock on stock.However,based on nitrogen analysis,some town-ships such as Xuqiao Town and Dashixiang are approaching their carrying capacity,indicating the need for corresponding measures to strengthen the control.关键词
畜禽养殖/种养结合/耕地负荷/土地承载力/太湖县Key words
livestock and poultry breeding/combination of cultivation and breeding/farmland load/land bearing capacity/Taihu County分类
农业科技引用本文复制引用
何祥亮,邵培艳,乔媛媛,于晴..种养结合模式下的畜禽粪污承载力分析研究[J].家畜生态学报,2024,45(7):72-79,8.基金项目
安徽省环保专项资金项目《安徽省畜禽养殖污染防治专项规划》(2021BTAFN03462) （2021BTAFN03462）
安徽省环保专项资金项目《安徽省畜禽养殖业污染物排放标准》(2022BTQFN3794) （2022BTQFN3794）
安徽省科技厅重点专项《河塘沟渠氮磷生源物质滞留过程调控及潜力提升技术研究》(202004i07020005) （202004i07020005）
