Nature CommunicationsGlobal variation of plant nitrogen acquisition strategies and their responses to decreasing nitrogen availabilityJiaqiang LiaoJinhua MaoJinlong PengYiqi LuoMianhai ZhengLei SongChen ChenLingli LiuShuli Niu2026-07-20Full textDOI https://doi.org/10.1038/s41467-026-75889-7