D. G. Hopkins

Association of Cadmium in Durum Wheat Grain with Soil Chloride and Chelate‐Extractable Soil Cadmium

W. A. Norvell, Jiaping Wu, D. G. Hopkins et al. · Soil Science Society of America Journal · 2000 · 201 citations

Environmental Chemistry, Toxic Heavy Metal, Engineering +13

Variable Fertilizer Application Based on Yield Goal, Soil Fertility, and Soil Map Unit

Winny D. Wibawa, Duduzile L. Dludlu, L. J. Swenson et al. · jpa · 1993 · 120 citations

Spatial Variability of Grain Cadmium and Soil Characteristics in a Durum Wheat Field

Jichun Wu, W. A. Norvell, D. G. Hopkins et al. · Soil Science Society of America Journal · 2002 · 69 citations

Precision Agriculture, Engineering, Land Use +18

Improved Prediction and Mapping of Soil Copper by Kriging with Auxiliary Data for Cation‐Exchange Capacity

Jichun Wu, W. A. Norvell, D. G. Hopkins et al. · Soil Science Society of America Journal · 2003 · 45 citations

Spreadsheet Implementation of Irrigation Scheduling by the Checkbook Method for North Dakota and Minnesota

Dean D. Steele, Thomas F. Scherer, D. G. Hopkins et al. · Applied Engineering in Agriculture · 2010 · 26 citations

Precision Agriculture, Engineering, Water Resource System +17