ALFALFA 



137 



In Colorado, Nebraska and Wyoming', farmers have 

 found that almost double the yield of grain is produced 

 from the same fields after they have been in alfalfa for sev- 



Exaniiuing the tubercles on alfalfa roots in a southern field. 



eral years. Even greater results have been experienced in 

 the South in the yield of cotton crops that have followed 

 alfalfa. 



Alfalfa can be used in the same way throughout the 

 corn region to improve the soil for other crops. Besides 

 being one of the cheapest and most effective means known 

 of restoring certain elements to worn soil, it is also a crop 



