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Microbial activity was greater in soils added with herb residue vermicompost than chemical fertilizer

文献类型： 外文期刊

作者： Lv, Meirong 1 ; Li, Jingjuan 1 ; Zhang, Weixin 4 ; Zhou, Bo 1 ; Dai, Jun 1 ; Zhang, Chi 1 ;

作者机构： 1.South China Agr Univ, Coll Nat Resources & Environm, Guangzhou 510650, Peoples R China

2.Qilu Univ Technol, Natl Engn & Technol Res Ctr Marine Monitoring Equ, Inst Oceanog Instrumentat,Shandong Acad Sci, Shandong Prov Key Lab Marine Monitoring Instrumen, Qingdao 260000, Peoples R China

3.Agr Technol Promot Ctr Huicheng Dist, Huizhou 516008, Peoples R China

4.Minist Educ, Key Lab Geospatial Technol Middle & Lower Yellow, Kaifeng 475004, Peoples R China

5.Henan Univ, Coll Environm & Planning, Kaifeng 475004, Peoples R China

6.Guangdong Acad Agr Sci, Tea Res Inst, Guangzhou 510650, Peoples R China

关键词： Soil; Herb residue vermicompost; Microbial biomass; Respiration; Enzyme activity

期刊名称：SOIL ECOLOGY LETTERS （ 影响因子：4.0； 五年影响因子：4.1 ）

ISSN： 2662-2289

年卷期： 2020 年 2 卷 3 期

页码：

收录情况： SCI

摘要： Herb residue vermicompost is thought to have high agriculture value, while its effects on soil microbial activities have not been fully understood. Here, soil microbial biomass, respiration and enzyme activities in soil planted with maize were compared among treatments amended with herb residue vermicompost at rates of 25, 50, 75 and 100 g kg(-1), chemical NPK fertilizer and no fertilizer (the control). Our results showed that soil microbial biomass carbon, respiration, and alkaline phosphatase, urease, and invertase activities were greater in soil amended with herb residue vermicompost than the unfertilized control (P <0.05). Compared with chemical fertilizer, herb residue vermicompost increased soil urease and alkaline phosphatase activities at each application rate, promoted soil respiration and microbial biomass carbon at the application rates of 50, 75 and 100 g kg(-1), and increased soil inverse activity at the application rates of 75 and 100 g kg(-1). In conclusion, herb residue vermicompost supported greater soil microbial biomass, respiration and enzyme activities than conventional NPK fertilizer, and the effect was larger when higher rates of herb residue vermicompost were added.

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