66 FORAGE PLANTS AND THEIR CULTURE 



are apparently all more valuable than timothy ; and sweet 

 clover fully as valuable as alfalfa. 



If measured by therms, cowpea hay is superior to alfalfa, 

 and Hungarian-grass to either ; while corn stover is 

 practically as valuable as oat hay. 



It may be that the, relative values assigned to roughage 

 based on experience and reflected in market values are as 

 erroneous as the above data would indicate. It is apparent 

 that much further work is necessary before there can be 

 agreement as to the comparative feeding values of rough- 

 age for different purposes. 



