Nitrogen fertilizer reduction potential in the main rice producing region of black soil in Northeast China
YIN Yinghua, PENG Xiaozong, ZHAI Limei, ZHANG Yitao, WANG Hongyuan, LIU Hongbin
Acta Geographica Sinica . 2022, (7): 1650 -1661 .  DOI: 10.11821/dlxb202207006