Conservation agriculture raises crop nitrogen acquisition by amplifying plant-microbe synergy under climate warming.

ABSTRACT: Sustainable crop production in a warming climate requires land management strategies that support plant-soil-microbe interactions to optimize nitrogen (N) availability. Here, we investigate the interacting effects of 10 years' experimental warming and management (conservation vs. conventional agriculture) on wheat N acquisition using in situ ¹⁵N-labeling, root metabolomics and microbial metagenomics. We find that warming amplifies the positive effects on wheat nitrate uptake by 25% in conservation agriculture compared to conventional agriculture, while alleviating microbial competition for N. Additionally, warming increases soil gross N mineralization and nitrification rates by 191% and 159%, but decreases microbial immobilization by 24% in conservation agriculture. Concurrently

SUBMITTER: Hao C 

PROVIDER: S-EPMC12698793 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature