猪粪和稻草对镉污染黄泥土生物活性的影响

应用生态学报 ›› 2003, Vol. ›› Issue (11): 1997-2000.

猪粪和稻草对镉污染黄泥土生物活性的影响

张亚丽, 沈其荣, 谢学俭, 孙兆海

南京农业大学资源与环境科学学院, 农业部作物生长调控重点实验室, 南京 210095

收稿日期:2002-12-26 修回日期:2003-03-11
通讯作者: 沈其荣
基金资助:
国家自然科学基金重点项目(39830220);国家科技部863资助项目(2001AA246081)

Effect of pig manure and rice straw on biological activity of Cd-contaminated soil

ZHANG Yali, SHEN Qirong, XIE Xuejian, SUN Zhaohai

College of Resources and Environmental Sciences, MOA Key Laboratory of Plant Growth Regulation, Nanjing Agricultural University, Nanjing 210095, China

Received:2002-12-26 Revised:2003-03-11

摘要/Abstract

摘要： 通过培养试验研究了猪粪和稻草对Cd污染黄泥土生物活性的影响.结果表明,Cd污染土壤的生物活性下降.施用有机肥料后,土壤有效态Cd含量降低,降幅约为40%;微生物量C、N、P和脱氢酶、过氧化氢酶的活性增高,增幅为30%～100%,其中微生物量C、N与土壤有效态Cd之间有显著的负相关关系,可作为污染土壤的生物指标.

关键词: 猪粪, 稻草, 镉污染黄泥土, 生物活性

Abstract: Studies on the effects of pig manure and rice straw on the biological activity of Cd-contaminated permeable paddy soil showed that Cd-contaminated soil had a declined biological activity. After applying organic manure, the content of soil available Cd decreased significantly, being about 40%, and soil microbial C, Nand Pand soil dehydrogenase and catalase activities increased 30%～100%. There existed a negative correlation between soil available Cd and soil microbial Cand N, indicating that microbial Cand Ncould be used as an index of Cd-contaminated soil.

Key words: Pig manure, Rice straw, Cd-contaminated permeable paddy soil, Biological activity

中图分类号:

S141

张亚丽, 沈其荣, 谢学俭, 孙兆海. 猪粪和稻草对镉污染黄泥土生物活性的影响[J]. 应用生态学报, 2003, (11): 1997-2000.

ZHANG Yali, SHEN Qirong, XIE Xuejian, SUN Zhaohai . Effect of pig manure and rice straw on biological activity of Cd-contaminated soil[J]. Chinese Journal of Applied Ecology, 2003, (11): 1997-2000.

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