16 



plants is so well established that no farther endorsement is called for 

 in this connection. Each form has its special merits with reference 

 to particular fitness in case of different crops. 



b. The liberal use of muriate of potash as a fertilizer constituent, 

 renders, in cases where the lime resources of the soil under cultiva- 

 tion are limited, a periodical direct application of lime compounds as 

 a manurial matter, advisable. 



c. Muriate of potash is a safer source of potash for manurial purposes 

 upon a deep soil with a free subsoil, than upon a shallow soil with 

 a compact clayish subsoil, on account of a possible accumulation of 

 the highly objectionable chlorides of lime and maguesia near the 

 roots of the plants ; both are known to prevent a healthy develop- 

 ment of the root system. 



Amherst, Mass., March, 1896. 



