文献类型： 会议论文
第一作者： XJ Lin
作者： XJ Lin 1 ; F Wang 1 ; HS Cai 1 ; RB Lin 1 ; CM He 1 ; QH Li 1 ; Y Li 1 ;
作者机构： 1.Institute of Soil and Fertilizer, Fujian Academy of Agricultural Sciences, Fuzhou 350013, China
关键词： Peanut;yield;organic fertilizer;soil microbial biomass;DGGE
会议名称： World Congress of Soil Science
主办单位：
页码： 4946-4949
摘要： A pot experiment was conducted to investigate the effects of different organic fertilizers on soil microbial biomass and peanut yield using plate counting and Denaturing Gradient Gel Electrophoresis (DGGE) methods. The treatments included a) no fertilization (CK), b) chemical fertilizer, c) pig manure, d) cattle manure, e) organic compound fertilizer of monosodium glutamate, and f) chicken manure. Results have shown that both the economic and biological yield of peanut was improved by applying fertilizers, with highest yields being found for applying a compound organic fertilizer of monosodium glutamate. On average, the economic and biological yield in all treatments with applications of either chemical or organic fertilizers increased by 73.5% and50.0%, respectively, compared with CK. Total amounts of bacteria, epiphyte and actinomyces in the treatment of applying chicken manure were the highest among different fertilizer treatments, while they differed little among other treatments. Results fromPCR amplification of soil DNA and DGGE analysis indicated significant differences in soil microbial composition and diversity among different chemical and organic fertilizer treatments. Different organic fertilizers affect the biomass of soil microbes as well as their diversity trait.
分类号： S15-532
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