Soil aggregate fractionation and phosphorus fraction driven by long-term fertilization regimes affect the abundance and composition of P-cycling-related bacteria

Wenjie Wan,Xiang Li,Shun Han,Li Wang,Xuesong Luo,Wenli Chen,Qiaoyun Huang

Published 2020 in Soil & Tillage Research

ABSTRACT

Abstract Fertilization could promote phosphorus (P) cycling in soil; however, it is unclear how long-term fertilization regimes affect P-cycling-related microbial communities in different soil aggregates. In this study, we compiled promising strategies to evaluate the effect of 40-year long-term fertilization treatments on the P-cycling-related bacterial communities associated with different soil aggregates, of which P fraction and physicochemical properties were also measured. We found that both organic and mineral fertilization treatments increased the proportion of silt + clay (

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