Managing johnsongrass for dairy cows : relative efficiency of several methods of utilizing forage determined in Alabama research
Hawkins, George E. (George Elliott), 1919-; Smith, L. A.; Grimes, H. W. (Harold Watts), 1930-; Patterson, R. M.; Little, Joe A. (Joe Allen), 1937-; Rollo, Charles A., 1918- (2010-11-10)