中文版 | English
Arid
项目编号31460029
半干旱区农耕地不同管理措施对自生固氮菌和总细菌群落的影响
呼和
主持机构甘肃省农业科学院
开始日期2015
结束日期2018
资助经费490000(CNY)
项目类别地区科学基金项目
资助机构CN-NSFC（国家自然科学基金）
语种中文
国家中国
英文简介There are close interactions among soil fertility, microorganisms and plants. Microorganisms could produce plant growth-regulating substances and supply nutrients in plant rhizosphere; moreover, plants could adjust their defense and growth according to the type of microorganisms. Thus, it has been a focus of attention that how to analyze and exploit the interaction mechanisms between microbes and plants in agricultural production. Nitrogen is one of the most important nutrient elements in plant growth. Plants obtain nitrogen relying mainly on the nitrogen-fixing microbes in natural ecosystems. Among them, the free-living nitrogen fixing bacteria can independently fix nitrogen in soil. It is also one of the hot spot in microbial research that how to activate the free-living nitrogen fixing bacteria, and thus enhance the nitrogen content of arable soil. The project focuses on analyzing the temporal and spatial dynamics of the diversity and activity between the total soil bacteria and the free-living nitrogen fixing bacteria in semi-arid land; and investigating the arable land management measures as well as the interaction mechanism between crop growth and soil microorganisms through the use of the different land management measures. The project could provide the scientific support for the reasonable agricultural production measures in the semi-arid land.
来源机构甘肃省农业科学院
资源类型项目
条目标识符http://119.78.100.177/qdio/handle/2XILL650/344392
推荐引用方式
GB/T 7714		 呼和.半干旱区农耕地不同管理措施对自生固氮菌和总细菌群落的影响.2015.
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