138 



CHEMISTRY OF FARM PRACTICE 



salts are produced. Kainit and sylvinit are found in adja- 

 cent deposits. The kainit consists mainly of potassium 



. 

 3 



g d 



.fa 03 



rr 1 ^ 



ST.! 



t-c 



"J 



c <J 



1 a 



s 



sulphate, magnesium sulphate, magnesium chloride, and 

 sodium chloride, along with small quantities of potassium 



