Citation: Ec. Varsa et Sa. Ebelhar, Effect of potassium rate and placement on soil test variability across tillage systems, COMM SOIL S, 31(11-14), 2000, pp. 2155-2161
Citation: Sa. Ebelhar et Ec. Varsa, Tillage and potassium placement effects on potassium utilization by corn and soybean, COMM SOIL S, 31(11-14), 2000, pp. 2367-2377