124 



AGRICULTURE 



character of the grain is generally changed the same year 



that the mixing occurs. 



Varieties of field or dent corn. There are several hun- 

 dred varieties of field corn. 

 Many of them are Northern 

 kinds, too small and early to 

 yield well in the South. Ex- 

 periments have shown that 

 the following varieties are 

 often among the most pro- 

 ductive for the Gulf states 

 and regions with similar cli- 

 mate : Mosby, Cocke, and 

 Henry Grady. In most ex- 

 periments in the South varie- 

 ties with two medium-sized 

 ears have yielded more corn 

 than those having a single 

 large ear per plant. 



Mixing may not show the 

 first year. There may be a 

 large amount of crossing be- 

 tween varieties of common 

 corn, and yet the farmer may 

 be unable to see it by exam- 

 ining the ears. A white va- 

 riety may grow beside a yel- 



FIG. 77. A TALL VARIETY OF j ow variety of dent corn and 

 CORN, MEXICAN JUNE 



yet the first year there may 



be no white grains on the yellow ears. This is be- 



