Is Air-Drying of Soil Samples an Appropriate Step in Determining Plant Available Potassium for Corn?.
Manbir Kaur Rakkar, P.O BOX 58108-6050, North Dakota State University, Lincoln, NE, David W. Franzen, North Dakota State University, Fargo, ND and Amitava Chatterjee, North Dakota State University, Department of Soil Science, Fargo, ND