2 20 



Food for Potashes. 



Plants 

 Per Cent. Actual Lbs. Potash. 



Potash. Per Ton. 



Nitrate of Soda 1 to 3 20 to 60 



Sulphate of potash 48 960 



Muriate of potash 50 1,000 



Waste from gunpowder works 18 360 



Maryland marls 1 . 25 25 



Castor pomace 1.5 30 



Tobacco stems 7.5 150 



Barnyard manure . 43 8.6 



Sodas. 



Per Cent. Actual Lbs. Soda 



Soda. Per Ton. 



Carbonate of Soda 50 1,000 



Sulphate of Soda 43 860 



Nitrate of Soda 35 700 



Some Practical Hints Regarding 



Nitrate. 



It is the quickest acting plant food known. 



It is immediately available for the use of plants as 

 soon as it goes into solution. 



It does most of its work in one season. More must 

 not be expected of it, as it gives quick returns and large 

 profits when properly applied. It tends to sweeten sour 

 land. 



When applied broadcast it should be evenly distrib- 

 uted. In applying 100 pounds to an acre, one pound 

 has to be evenly spread over 48 square yards, and this 

 requires care and skill. 



It is well to mix it with sand, marl, ashes, land 

 plaster or some other finely divided material of about 

 the same weight in order to secure a more even distribu- 

 tion. 



Where plants are grown in hills or rows it should 

 be applied near the growing plants and thoroughly 

 mixed with the soil. 



It does not matter whether it is sown in dry or wet 

 weather except that when applied broadcast to crop s 



