by Schwamberger, E.C. (University of Kentucky, Lexington, KY), Sims, J.L
Published in Communications in soil science and plant analysis (01.05.1991)

by Sims, J.L. (Univ. of Kentucky, Lexington, KY), Wells, K.L, Calvert, J.R, Schwamberger, E.C, Greer, E.C
Published in Soil Science Society of America journal (01.09.1989)

by Sims, J.L, Wells, K.L, Schwamberger, E.C
Published in Agronomy notes - University of Kentucky, College of Agriculture, Cooperative Extension Service (1990)