Contents

Aerenchyma Development in Warm-season Grass Roots
M.S. Miller-Goodman, M.R. Owsley, and M.W. Allison

Phosphorus Metabolism in Grassland Soil as Influenced by Enzyme-Clay Interactions
W.L. Kingery and K.O. Willeford

Allelopathic Effects of Tall Fescue
T.L. Springer

Rhizobial Specifities, Movement, and Survival
Tom Wacek