Soil Conditioner Affects Tobacco Rhizosphere Soil Microecology

文献类型： 外文期刊

第一作者： Yu, Xiangquan

作者： Yu, Xiangquan;Shen, Minchong;Shen, Guoming;Bo, Guodong;Zhang, Yuzhen;Yang, Jianming;Wang, Zhaobao;Dong, Shanyu;Zhang, Fujun;Gao, Qiang;He, Penglin

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关键词： Soil conditioner; Fertilizer; Tobacco; Enzyme activity; Microbial diversity

期刊名称：MICROBIAL ECOLOGY （ 影响因子：4.192； 五年影响因子：4.608 ）

ISSN： 0095-3628

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收录情况： SCI

摘要： Reasonable fertilization management can increase nutrient content and enzyme activity in rhizosphere soil, and even increase soil microbial richness. However, different fertilizers could raise distinct influences on the soil properties, including soil environmental factors (physicochemical properties and enzymatic activities) and microbial community. Here, the effects of two soil amendments (microbial fertilizer and woody peat) on environmental factors and microbial community structure in tobacco rhizosphere soil were evaluated, with the correlations between microbes and environmental factors explored. As the results, microbial fertilizer could effectively alleviate soil acidification, increase available potassium and organic matter contents in soil, and was also beneficial to increase nitrate reductase activity in rhizosphere soil. Fertilizers cause changes in the abundance of certain microbes in the soil. Besides, it was shown that the candidate phyla Gal15, Acidobacterota, Latescibacterota, Mortierellommycota, Basidiomycota, and Rozellomycota in tobacco rhizosphere soil had significant correlation with soil environmental factors. Through the functional analysis of these populations, it can be deduced that the changes in the abundance of certain microorganisms may be an important reason for the differences in environmental factors. All these indicated that the differences of environmental factors in different treatments are closely related to the abundance of some special soil microorganisms. Studying the life activities of these microbes would provide good guidance for exploring the interaction among crops, soil, and microorganisms and improving crop yields.

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