Closing the nitrogen use efficiency gap and reducing the environmental impact of wheat-maize cropping on smallholder farms in the Guanzhong Plain, Northwest China

LÜ Feng-lian, HOU Miao-miao, ZHANG Hong-tao, Asif Khan, Muhammad Ayaz, QIANGJIU Ciren, HU Chang-lu, YANG Xue-yun, SUN Ben-hua, ZHANG Shu-lan

Journal of Integrative Agriculture . 2019, (1): 169 -178 . DOI: 10.1016/S2095-3119(18)61948-3