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The Importance of Three Protozoa in Corn Straw Decomposition and Nutrient Transformation

LIU Hai-ming ZHAO Xiao-rong LI Gui-tong LIN Qi-mei

中国农业科学(英文版)2003,Vol.2Issue(8):886-889,4.
中国农业科学(英文版)2003,Vol.2Issue(8):886-889,4.

The Importance of Three Protozoa in Corn Straw Decomposition and Nutrient Transformation

The Importance of Three Protozoa in Corn Straw Decomposition and Nutrient Transformation

LIU Hai-ming 1ZHAO Xiao-rong 1LI Gui-tong 1LIN Qi-mei1

作者信息

  • 1. Department of Soil and Water Sciences, China Agricultural University, Beijing 100094, P.R.China
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摘要

Abstract

Three typical soil protozoa of Bodo edax, Colpoda cucullus and Amoeba proteus were inoculated into the soil amended with corn straw. The soils were then incubated at 25℃for 60 days. It was found that the protozoa, particularly Bodo edax, significantly reduced soil microbial biomass C. However, the decomposition of corn straw was accelerated by the protozoa. Colpoda cucullus significantly enhanced soil available P content, but Amoeba proteus decreased soil available P content. Colpoda cucullus and Bodo edax did not obviously influence NH+4-N and NO-3-N contents. In contrast, Amoeba proteus significantly increased both NH+4-N and NO-3-N contents.

关键词

Soil protozoa/Corn straw/Soil microbial biomass C

Key words

Soil protozoa/Corn straw/Soil microbial biomass C

分类

农业科技

引用本文复制引用

LIU Hai-ming,ZHAO Xiao-rong,LI Gui-tong,LIN Qi-mei..The Importance of Three Protozoa in Corn Straw Decomposition and Nutrient Transformation[J].中国农业科学(英文版),2003,2(8):886-889,4.

基金项目

The research was financed by the National Natural Science Fundation of China(40171055) and accomplished at the Soil and Water Key Lab of Agricultural Ministry of China. (40171055)

中国农业科学(英文版)

2095-3119

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