GREEN FORAGE AND HAY CROPS 



125 



very satisfactory combination in regions where the cowpea does well 

 and reaches maturity at about the same time as either sorghum or 

 corn. Sumac sorghum and some vigorous growing variety of cow- 

 pea., like Brabham or Unknown, appear to give the best crops, six 

 parts of cowpeas with one part of sorghum making about the desired 

 proportionate stand in the mixture. The hay is greatly relished 

 by stock if cured properly. 16 



Soybean (Glycine hispida, Fig. 21) is of greater importance 

 for seed production than for forage purposes, except in the South. 



3**""" " 



FIG. 21. A field of soybeans, a valuable protein feed, both for seed production and as a 

 forage crop. (Wisconsin Station.) 



Composition of Soybean Plant, in Per Cent 



where its value as a forage plant, for feeding green, as hay or as 

 silage, is about as great as for production of seed. It is grown for 

 the sake of the seed throughout the United States about as far 

 north as corn will mature. In the Gulf States it will usually yield 

 six to ten tons of green forage or silage to the acre and one and one- 

 10 Farmers' Bui. 89, 318, 458 and 1148; Neb. Bui. 150; Okla. Bui. 105. 



