The responses of extracellular enzyme activities and microbial community composition under nitrogen addition in an upland soil.

ABSTRACT: Tremendous amounts of nitrogen (N) fertilizer have been added to arable lands, often resulting in substantial effects on terrestrial ecosystems, including soil acidification, altered enzyme activities and changes in microbial community composition. Soil microbes are the major drivers of soil carbon (C) and N cycling; therefore, understanding the response of microbial communities to elevated N inputs is of significant importance. This study was carried out to investigate the influences of different N fertilization rates (0, 182, and 225 kg ha-1 representing control, low, and high N supply for each crop season for summer maize and winter wheat) on soil biochemical attributes, extracellular enzyme activities, and the microbial community composition in a winter wheat-summer maize rotation crop

SUBMITTER: Ullah S 

PROVIDER: S-EPMC6768454 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature