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土壤微生物量作为土壤肥力指标的探讨
引用本文:张海燕,肖延华,张旭东,李军,席联敏.土壤微生物量作为土壤肥力指标的探讨[J].土壤通报,2006,37(3):422-425.
作者姓名:张海燕  肖延华  张旭东  李军  席联敏
作者单位:1. 沈阳农业大学,辽宁,沈阳,110161;中科院,沈阳应用生态研究所,陆地生态过程重点实验室,沈阳生态站,辽宁,沈阳,110016
2. 吉林省土肥站,吉林,长省,130000
3. 中科院,沈阳应用生态研究所,陆地生态过程重点实验室,沈阳生态站,辽宁,沈阳,110016
4. 沈阳农业大学,辽宁,沈阳,110161
基金项目:国家高技术研究发展计划(863计划);中国科学院知识创新工程项目
摘    要:对不同利用方式19个黑土样品的微生物量和养分进行了分析,结果表明林地的微生物量明显高于玉米地和大豆地,但玉米地和大豆地之间未表现出显著差异,土壤微生物量和土壤养分含量大体上都呈现出林地>大豆地>玉米地的一致的趋势;同时土壤微生物量与土壤有机质、全氮、全磷、速效钾和碱解氮呈现出显著或极显著正相关关系,分析结果还表明土壤微生物量碳作为评价土壤肥力指标比土壤微生物量氮更为灵敏。因此,土壤微生物量可以作为评价不同利用方式的黑土肥力水平的一个生物指标。

关 键 词:土壤微生物量  土壤养分  黑土
文章编号:0564-3945(2006)03-0422-04
修稿时间:2005年3月2日

Microbial Biomass as an Indicator for Evaluation of Soil Fertility Properties
ZHANG Hai-yan,XIAO Yan-hua,ZHANG Xu-dong,LI Jun,XI Lian-min.Microbial Biomass as an Indicator for Evaluation of Soil Fertility Properties[J].Chinese Journal of Soil Science,2006,37(3):422-425.
Authors:ZHANG Hai-yan  XIAO Yan-hua  ZHANG Xu-dong  LI Jun  XI Lian-min
Abstract:To find out a new and effective indicator for the evaluation of soil fertility properties,microbial biomass and nutrients of black soil samples in the Northeast of China were analyzed.It was shown that microbial biomass of forest soil was higher than that of maize and soybean cropping soil,but there was no significant difference between maize and soybean soil.Significant correlation was found between microbial biomass and soil organic matter,total N,total P,available Potassium and hydrolazable N.It was also shown that evaluating soil fertility with soil microbial biomass carbon was better than with soil microbial biomass nitrogen.Hence,microbial biomass could be considered as an indicator of soil fertility.
Keywords:Soil microbial biomass  Soil nutrient  Black soil
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