集约化养殖禽畜粪中主要化学物质调查

被引:109
作者
姚丽贤 [1 ]
李国良 [1 ]
党志 [2 ]
机构
[1] 广东省农业科学院土壤肥料研究所 
[2] 华南理工大学环境科学与工程学院 
关键词
动物粪肥; P/N比; 盐分; 重金属;
D O I
10.13287/j.1001-9332.2006.0391
中图分类号
X713 [畜牧业];
学科分类号
摘要
对广东省集约化养殖场61个禽畜粪样本进行调查的结果表明,鸡粪和猪粪的总N、P、K含量均明显高于传统养殖,鸡、猪和鸽粪的P/N比高于一般作物的P/N比;3种禽畜粪总盐分含量分别为49.0、20.6和60.3g.kg-1,盐分组成以K和Na的硫酸盐和氯化物为主;鸡粪Cu、Zn和As的平均含量分别为107.5、366.6和21.6mg.kg-1;猪粪分别为765.1、1128.0和89.3mg.kg-1;鸽粪分别为56.1、210.9和2.9mg.kg-1.这3种禽畜粪的Pb、Cd和Cr含量均很低,在未检出至12.0mg.kg-1之间.按不同肥料重金属限量标准,鸡粪和猪粪重金属超标以Cu、Zn和As为主,其中Zn的超标最为普遍.
引用
收藏
页码:1989 / 1992
页数:4
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