Reducing Nitrogen Footprint of Maize Production with Intercropping Green Manure, Nitrogen Reduction, and Sesbania Biochar
1 College of Resources and Environment, Shanxi Agricultural University, Taigu 030800, Shanxi
2 Institute of Soil Fertilizer and Water-Saving Agriculture, Gansu Academy of Agricultural Sciences, Lanzhou 730070
3 Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences/State Key Laboratory of Efficient Utilization of Arable Land in China, Beijing 100081
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