Pedosphere · 2007 · 70 citations · 15 references
AgricultureAgronomyCrop SciencesPlant NutritionSoil FertilitySoil ScienceCrop Residue DynamicsCrop RotationNitrogen NutritionSoil-plant Nutrient Relations
15
Nitrate pollution of groundwater in northern China
W.L. Zhang, Zhancheng Tian, Na Zhang et al. · Agriculture Ecosystems & Environment · 1996 · 488 citations
Nitrogen dynamics and budgets in a winter wheat–maize cropping system in the North China Plain
Xuejun Liu, Xiaotang Ju, Fusuo Zhang et al. · Field Crops Research · 2003 · 358 citations · Full text
Agriculture, Agronomy, Soil Sciences +16
Nitrogen deposition in agroecosystems in the Beijing area
Xuejun Liu, Xiaotang Ju, Ying Zhang et al. · Agriculture Ecosystems & Environment · 2005 · 168 citations
Agriculture, Agronomy, Soil Sciences +14