Effects of Different Nitrogen Application Levels on Photosynthetic Characteristics, Nitrogen Use Efficiency and Yield of Spring Maize in Sichuan Province
XIONG WeiYi, XU KaiWei, LIU MingPeng, XIAO Hua, PEI LiZhen, PENG DanDan, CHEN YuanXue
Scientia Agricultura Sinica . 2022, (9): 1735 -1748 .  DOI: 10.3864/j.issn.0578-1752.2022.09.004

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