60 



The Bulletix. 



throwing additional light on this phase of the problem of soil im- 

 provement from growing cowpeas. Since around 85 per cent of the 

 soil-improving part of the cowpea is removed in the hay and peas, 

 the large hay-producing varieties are the best for soil improvement. 

 With this as our criterion, which is the correct one, the following 

 varieties of peas are specially desirable for soil improvement : 



Unknown, 



Iron, 



Clay, 



Brown Coffee, 



Whippoorwill, 



Red Crowder. 



