220 FARM CROPS 



swine, the grain produced is the only part utilized. 

 It is also grown to furnish hay and grain for 

 stock. In some localities its highest use has been 

 found in growing it for the silo. When made into 

 silage along with corn it adds protein to the 

 feed. It is also an excellent renovator of the 

 soil. 



Place in Rotation. — It may be given any place in 

 the rotation, but it usually comes in best after some 

 winter crop has been grazed down, and in some in- 

 stances after it has been harvested. In the Northern 

 states it may come after winter rye has been grazed 

 down. In Central and Southern states it may be made 

 to come after any winter cereal has been harvested. 

 The soy bean will grow on a wide range of soils. 

 However, it wants more fertile soil than will answer 

 for the cowpea. It would not be wise to sow it on 

 poor lands without the application of some kind of 

 fertilizer. It grows well on nearly all the soils of 

 the prairie region and it will do reasonably well on 

 clays. 



Varieties to Plant. — Far north in the United 

 States varieties known as the Early Dwarf and the 

 Extra Early Dwarf are among the best to grow. 

 They may answer well to furnish gleaning for 

 swine and also to fertilize the land when grown 

 as a catch crop, as it were, in the summer season. 

 Farther south, the two varieties known as the Early 

 Yellow and- the Medium Early Green are among 

 the best. The former is a favorite in Kansas and 

 the latter in Massachusetts. The Medium Late 

 Green and the Medium Late Black will grow nicely 

 farther south. The Early Green and Early Yellow 

 both grow large enough to admit of putting them 

 into the silo. 



