Jan Verhagen. (1997). Spatial soil variability as a guiding principle in nitrogen management. The Netherland: Wageningen University.
Trích dẫn kiểu ChicagoJan Verhagen. Spatial Soil Variability As a Guiding Principle in Nitrogen Management. The Netherland: Wageningen University, 1997.
Deismireacht MLAJan Verhagen. Spatial Soil Variability As a Guiding Principle in Nitrogen Management. The Netherland: Wageningen University, 1997.
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