Research Report

Co-regulation of Soil Microbial Communities by Straw Incorporation and Fertilizer Application in Maize and Its Impact on Yield  

Lan Zhou1 , Yan Bao1 , Jiaen Wang1 , Shuling Wang1 , Weixin Zhong1 , Xiangrui Sun1
1 College of Agriculture, Jilin Agricultural Scienceand Technology University, Jilin, 132101, Jilin, China
2 Meihekou City Farmers'Science and Technology Education Center, Meihekou City, 135000, Jilin, China
Author    Correspondence author
Molecular Microbiology Research, 2024, Vol. 14, No. 6   doi: 10.5376/mmr.2024.14.0031
Received: 28 Oct., 2024    Accepted: 07 Dec., 2024    Published: 22 Dec., 2024
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This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:

Zhou L., Bao Y., Wang J.E., Wang S.L., Zhong W.X., and Sun X.R., 2024, Co-regulation of soil microbial communities by straw incorporation and fertilizer application in maize and its impact on yield, Molecular Microbiology Research, 14(6): 290-297 (doi: 10.5376/mmr.2024.14.0031)

Abstract

The study investigates the combined effects of straw incorporation and nitrogen (N) fertilization on soil microbial communities and maize yield. Over a multi-year field experiment, various treatments involving different levels of N fertilization and straw incorporation were applied to maize fields. The results demonstrated that straw incorporation significantly enhanced soil enzyme activities, microbial abundance, and diversity, particularly in combination with moderate N fertilization levels. The bacterial and fungal communities showed distinct responses, with Proteobacteria and Basidiomycota being the predominant phyla. The study also found that soil properties such as water content and penetration resistance were crucial in influencing microbial activities. Furthermore, the integration of straw and N fertilization improved soil fertility and maize yield, highlighting the importance of balanced agricultural practices for sustainable crop production. These findings provide valuable insights into optimizing fertilization strategies to enhance soil health and crop productivity.

Keywords
Soil microbial communities; Straw incorporation; Nitrogen fertilization; Maize yield; Soil enzyme activities
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