Plant and Soil · 2010 · 126 citations · 28 references
AgricultureAgronomySoil SciencesNutrient ManagementSoil FertilitySoil ScienceNitrogen CycleNitrogen ManagementNitrogen NutritionNutrient LossesSoil Nutrient AvailabilityTillage SystemsFertilizer Application RatesNitrogen Effects On YieldNitrogen Fertilization EffectsNitrogen Fertilizer ManagementPlant Nitrogen UptakePlant-available NitrogenRoot Nitrogen UptakeWheat Cultivation
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Operational Estimates of Reference Evapotranspiration
Richard G. Allen, Marvin E. Jensen, James L. Wright et al. · Agronomy Journal · 1989 · 762 citations
Agriculture, Agronomy, Crop Sciences +14
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
Fertilization and Nitrogen Balance in a Wheat–Maize Rotation System in North China
Rongfang Zhao, Xin‐ping Chen, Fusuo Zhang et al. · Agronomy Journal · 2006 · 315 citations