340 SOUTHERN FIELD CROPS 



DUGGAR, J. F. Ala. Expr. Sta., Buls. Nos. 78, 91, 103, 107, 113,. 



131, 145. 

 REDDING, R. J. Ga. Expr. Sta., Buls. Nos. 11, 16, 20, 24, 27, 



31, 35, 39, 43, 47, 52, 56, 59, 63, 66, 75. 

 CALVIN, M. V., and KIMBROUGH, J. M. Ga. Expr. Sta., BuL No. 



79. 

 MCBRYDE, J. B. S. C. Expr. Sta., Bui. (New Series) No. 2, and 



Rpts. 1888-1889. 



HARPER, J. N. S. C. Expr. Sta., Bui. No. 145. 

 WILLIAMS, C. B. N. C. Dept. Agr., Bui. Jan., 1907 ; and Proc. 



Southern Asson. Commissioners Agr., 1909. Raleigh, N.C. 

 WHITE, H. C. U. S. Dept. Agr., Office Expr. S.tas., Bui. No. 33, 



pp. 169-196. 

 WHITNEY, MILTON. U. S. Dept. Agr., Bur. Soils, Bui. No. 62. 



