626 



drought and begin growth with the advent of favorable 

 weather conditions. This power to resist drouth is 

 thought to be partly due to the fact that the sorghum 

 has an extensive root system in the upper 18 inches es- 

 pecially well adapted to use moisture in the upper lay- 

 ers of the soil promptly before it is lost by evaporation. 



Figure 1. 



Kaoliang, S. D. 289, is a valuable grain sorghum for 

 South Dakota but it is not as good as amber cane for 

 fodder or dwarf milo for silage. 



