EFFECTS OF INTERCROPPING ON MICROBIAL COMMUNITY FUNCTION AND DIVERSITY IN CONTINUOUS WATERMELON CROPPING SOIL
文献类型： 外文期刊
作者： Zhang, Hanlin 1 ; Jiang, Zhongting 2 ; Liu, Linde 2 ; Zheng, Xianqing 1 ; Li, Shuangxi 1 ; Zhang, Juanqin 1 ; Wang, Ji 1 ;
作者机构： 1.Shanghai Acad Agr Sci, Ecoenvironm Protect Inst, Shanghai 201403, Peoples R China
2.Ludong Univ, Coll Life Sci, Yantai, Peoples R China
关键词： Watermelon;Cropping obstacles;Intercropping;PCR-DGGE;Biolog Eco-plates
期刊名称：FRESENIUS ENVIRONMENTAL BULLETIN （ 影响因子：0.489； 五年影响因子：0.479 ）
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收录情况： SCI
摘要： Based on pot experiments in greenhouse, microbial community function and diversity of continuous watermelon cropping soil were detected by Biolog Eco-plates and Polymerase Chain Reaction-Denaturing Gradient Gel Electrophoresis (PCR-DGGE) under the conditions of intercropping with scallions, celery and garlic, exploring the feasibility of alleviating watermelon cropping obstacles. The results of Biolog Eco-plates analysis suggested: watermelon intercropping with scallions in continuous cropping soil(T3) had significantly higher efficiency of carboxylic acids, amino acids, polymers and amines utilization than other treatmentsmonocropping in non-continuous cropping soil (T1), monocropping in continuous cropping soil (T2), intercropping with celery (T4) and garlic (T5) in continuous cropping soil. PCA showed that intercropping with scallions and celery had similar microbial functions with non-continuous cropping treatment. Soil microbial community diversity and structure were determined by DGGE profiles. Shannon Wiener diversity index (H') and homogeneous degrees index (E') of intercropping with scallions were significantly higher than other treatments, and intercropping with scallions was highly similar with non-continuous cropping soil about microbial community structure. Overall, intercropping could be an effective way in improving watermelon cropping obstacles, and the effects were most pronounced in the watermelon-scallions intercropping system.
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