Nitrogen fertilization promoted microbial growth and N₂O emissions by increasing the abundance of nirS and nosZ denitrifiers in semiarid maize field.

ABSTRACT: Nitrous oxide (N₂O) emissions are a major source of gaseous nitrogen loss, causing environmental pollution. The low organic content in the Loess Plateau region, coupled with the high fertilizer demand of maize, further exacerbates these N losses. N fertilizers play a primary role in N₂O emissions by influencing soil denitrifying bacteria, however, the underlying microbial mechanisms that contribute to N₂O emissions have not been fully explored. Therefore, the research aimed to gain insights into the intricate relationships between N fertilization, soil denitrification, N₂O emissions, potential denitrification activity (PDA), and maize nitrogen use efficiency (NUE) in semi-arid regions. Four nitrogen (N) fertilizer rates, namely N0, N1, N2, and N3

SUBMITTER: Fudjoe SK 

PROVIDER: S-EPMC10501401 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature