Effects of application of corn straw on soil microbial community structure during the maize growing season

TitleEffects of application of corn straw on soil microbial community structure during the maize growing season
Publication TypeJournal Article
Year of Publication2015
AuthorsLu P., Lin Y.H, Yang Z.Q, Xu Y.P, Tan F., Jia X.D, Wang M., Xu D.R, Wang X.Z
JournalJournal of Basic Microbiology
Volume55
Pagination22-32
Date PublishedJan
Type of ArticleArticle
ISBN Number0233-111X
Accession NumberWOS:000348059900004
Keywordsagricultural soils, ARBUSCULAR MYCORRHIZAL FUNGI, biomass, Black, CHINA, enzyme-activities, FATTY-ACIDS, land-use, microbial community, organic-matter, Phospholipid fatty acid, PHYSICAL-PROPERTIES, residue management, soil, Soil properties
Abstract

This study investigated the influence of corn straw application on soil microbial communities and the relationship between such communities and soil properties in black soil. The crop used in this study was maize (Zea mays L.). The five treatments consisted of applying a gradient (50, 100, 150, and 200%) of shattered corn straw residue to the soil. Soil samples were taken from May through September during the 2012 maize growing season. The microbial community structure was determined using phospholipid fatty acid (PLFA) analysis. Our results revealed that the application of corn straw influenced the soil properties and increased the soil organic carbon and total nitrogen. Applying corn straw to fields also influenced the variation in soil microbial biomass and community composition, which is consistent with the variations found in soil total nitrogen (TN) and soil respiration (SR). However, the soil carbon-to-nitrogen ratio had no effect on soil microbial communities. The abundance of PLFAs, TN, and SR was higher in C1.5 than those in other treatments, suggesting that the soil properties and soil microbial community composition were affected positively by the application of corn straw to black soil. A Principal Component Analysis indicated that soil microbial communities were different in the straw decomposition processes. Moreover, the soil microbial communities from C1.5 were significantly different from those of CK (p

Short TitleJ. Basic Microbiol.J. Basic Microbiol.
Alternate JournalJ. Basic Microbiol.
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Times Cited: 0
Cited Reference Count: 74
Lu, Ping Lin, Yin-Hua Yang, Zhong-Qi Xu, Yan-Peng Tan, Fei Jia, Xu-Dong Wang, Miao Xu, De-Rong Wang, Xi-Zhuo
National Natural Science Foundation of China [31071904]
This work was supported by the National Natural Science Foundation of China (31071904). We thank Professor Chunyu Shi and Professor Junsheng Li for help and advice in designing the experiments.
1
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WILEY-BLACKWELL
HOBOKEN
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