2019, Vol. 18(1): 169-178    DOI: 10.1016/S2095-3119(18)61948-3
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-lian1, HOU Miao-miao1, ZHANG Hong-tao1, Asif Khan1, Muhammad Ayaz1, QIANGJIU Ciren2, HU Chang-lu1, YANG Xue-yun1, SUN Ben-hua1, ZHANG Shu-lan1  
1 College of Natural Resources and Environment, Northwest A&F University/Key Laboratory of Plant Nutrition and the Agro-environment in Northwest China, Ministry of Agriculture, Yangling 712100, P.R.China
2 Agriculture and Husbandry Bureau of Cuona County, Agriculture and Husbandry Bureau of Cuona County, Cuona 856700, P.R.China
Received 2017-01-27  Revised null
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