Ecoenzymatic stoichiometry reveals microbial phosphorus limitation decreases the nitrogen cycling potential of soils in semi-arid agricultural ecosystems

• Published in: Soil & tillage research Vol. 197; p. 104463
• Main Authors: Cui, Yongxing, Zhang, Yanle, Duan, Chengjiao, Wang, Xia, Zhang, Xingchang, Ju, Wenliang, Chen, Hansong, Yue, Shanchao, Wang, Yunqiang, Li, Shiqing, Fang, Linchuan
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.03.2020
• Subjects: agroecosystems; biodegradation; carbon; carbon metabolism; denitrification; enzyme activity; Extracellular enzyme activity; fertilizer rates; Functional genes; gene expression; genes; intensive farming; Microbial metabolic limitation; mulching; nitrification; nitrogen; nitrogen cycle; nitrogen fertilizers; phosphorus; quantitative polymerase chain reaction; soil nutrients; soil water content; stoichiometry; uncertainty; Microbial metabolic limitation; Functional genes; Extracellular enzyme activity

[Display omitted] •FM increased microbial C metabolism while very small effects on P metabolism.•Increased microbial C metabolism ascribe to increased soil moisture content.•N fertilization increased the microbial demand for P (microbial P limitation).•Changes in nutrient stoichiometry and N availab...