LXXXVI (86) 2002, No. 4
Dr. R.L. Mikkelsen Joins PPI Staff as Western Region Director
Fertilizer Phosphorus Management Options for No-Till Dryland Winter Wheat
Ardell D. Halvorson, John L. Havlin, Curtis A. Reule
Improving Fertilizer Phosphorus Use Efficiency
S. S. Malhi, L. K. Haderlein, D. G. Pauly, A. M. Johnston
Phosphorus Sources for Potato Production
J. B. Sanderson, T. W. Bruulsema, R. Coffin, B. Douglas, J. A. MacLeod
PKalc Software Checks Nutrient Balance
Potassium Fertilization of Cotton Produced on Loess-Derived Soils
M. E. Essington, D. D. Howard, H. J. Savoy, G. M. Lessman
High Oil Corn Yield and Quality Responses to Fertilizer Potassium versus Exchangeable Potassium on Variable Soils
Tony J. Vyn, Brian J. Ball, Dirk Maier, Sylvie M. Brouder
Barbara Still Remembers the Farm
B. C. Darst