33 



disappear and be replaced by more nutritious and palatable 

 grasses and herbs. 



For the preservation of nitrogen, and humus substances in 

 stable manure, kainit is highly to be recommended. By the 

 action of the magnesium salts in kainit the nitrogen of the 

 manure is retained, which would otherwise escape in the form 

 of ammonia and be entirely lost. 



CARNALLITE is the principal raw product from which the 

 concentrated articles are manufactured. It is not imported in 

 this country for manuring purposes. 



KIESERITE AND SYLVINITE. Kieserite has been 

 imported for sometime; sylvinite has only lately been intro- 

 duced. Both are valuable as manure preservers, also as potash 

 fertilizers. Sylvinite contains more potash (kali) than kainit ; 

 kieserite contains less. Their application and effect is similar 

 to that of kainit. 



MANUFACTURED ARTICLES CONCEN- 

 TRATED POTASH SALTS. 



The Concentrated Potash Salts contain from four to five 

 times as much potash as the crude salts. The great saving 

 in the cost of their transportation is obvious, and where the 

 effect of potash alone is wanted, they deserve the preference 

 over the crude salts. 



SULPHATES OF POTASH. On heavy soils the sulphates 

 are preferable. They are best adapted for tobacco, on account of 

 the absence of chlorine; also for the production of sugar and 

 starch in plants, like sugar-beets and potatoes and sugar-cane. 

 From 150 to 300 Ibs. per acre will suffice for most soils. They 

 should be applied in the Fall or Winter and ploughed under. 



SULPHATE OF POTASH (KALI) AND MAGNESIA 

 {DOUBLED MANURE SALT). Is in its effect similar to the 

 sulphate. It is also very valuable as a manure preserver, and 

 produces manure free from chlorides. Hence the manure treated 

 with this salt forms an excellent tobacco fertilizer. If mixed 

 with other fertilizer ingredients, it brings these into a better 



