126 SOUTHERN FIELD CROPS 



LITERATURE 



DUGQAR, J. F. Ala. Expr. Sta., Buls. Nos. Ill and 134. 



WILLIAMS, C. B. N. C. Expr. Sta., Bui. No. 204. 



KILGORE, J. B., and others. N. C. Board Agr., Bui. Vol. 29, No. 



2, and later. 

 STURTEVANT, E. L. U. S. Dept. Agr., Office Expr. Sta., Bui. No. 



59. 



