摘要
在查阅大量科技文献的基础上,本文对不同农业措施与土壤微生物变化关系进行了概括性叙述,主要介绍了无机肥、有机肥、免耕、秸秆还田和轮作对土壤微生物生物量、多样性及活性的影响。
Microbial quantity and diversity are affected by agricultural practices and environmental factors, different methods of application management practices not only affect the reproduction of microorganism, change its quantity, but also get its activities changed.This predicts that agricultural practices might affect the structure of soil microbial community. Organic manures are commonly reported to maintain soil microbial diversity and activities.Generally speaking,microbial diversity is higher and biomass is larger in agricultural soils with no-tillage and crop rotation than in those soils cultivated with conservation tillage and monoculture.
出处
《黑龙江八一农垦大学学报》
2005年第4期31-34,共4页
journal of heilongjiang bayi agricultural university
关键词
耕作方式
土壤微生物
化肥
免耕
秸秆还田
tillage system
soil microorganism
fertilizer
non-tillage
straw returning
