AUTHOR=Yang Weijun , Zhang Liyue , Chen Yuxin , Su Lili , Zhao Lining , Li Pengying , Zhao Hongmei , Jia Hongtao TITLE=Effects of nitrogen fertilizer and biochar levels on soil CO2 emission and wheat yield in irrigation region JOURNAL=Frontiers in Agronomy VOLUME=6 YEAR=2024 URL=https://www.frontiersin.org/journals/agronomy/articles/10.3389/fagro.2024.1487500 DOI=10.3389/fagro.2024.1487500 ISSN=2673-3218