Sep 25, 2018

Soil productivity and structure of bacterial and fungal communities in unfertilized arable soil

PloS One
Boxi WangShuichi Sugiyama

Abstract

Soil productivity is strongly influenced by the activities of microbial communities. However, it is not well understood how community structure, including its richness, mass, and composition, influences soil functions. We investigated the relationships between soil productivity and microbial communities in unfertilized arable soils extending over 1000 km in eastern Japan. Soil properties, including C turnover rate, N mineralization rate, microbial C, and various soil chemical properties, were measured. Soil bacterial and fungal communities were analyzed by Illumina's MiSeq using 16S rRNA and ITS regions. In addition, root microbial communities from maize grown in each soil were also investigated. Soil bacterial communities shared many operational taxonomic units (OTUs) among farms. An ordination plot based on correspondence analysis revealed convergent distribution of soil bacterial communities across the farms, which seemed to be a result of similar agricultural management practices. Although fungal communities showed lower richness and a lower proportion of shared OTUs than bacterial communities, community structure between the farms tended to be convergent. On the other hand, root communities had lower richness and a higher ...Continue Reading

Mentioned in this Paper

Unite Resin
Fertilizers
Vitreous Carbon
Filamentous fungus
Medical Devices
Zea mays
Phylogeny
Human Geography
Farming Environment
Nitrogen

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