210 VEGETABLE GROWING. 



dropped about a foot apart in the row. Such fields 

 usually have to be hoed once or twice. Cover the 

 pieces with four or five inches of soil. 



FERTILIZER. 



While potatoes enjoy decaying vegetable matter, 

 such as sod or turf, barn yard manure. is rarely used 

 on account of its tendency to produce scab. It is very 

 difficult to make the soil too rich, but whether it will 

 pay to use large quantities of commercial fertilizer, 

 depends on the conditions of the markets and the 

 grower. 



FERTILIZER FORMULA. 



Nitrogen .........4 per cent. 



Potash 9 per cent. 



Available phosphoric acid 6 per cent. 



Use from 800 to 1200 pounds of the above formula. 

 When potatoes sell for a high price and the land is 

 near market, it will be found profitable to use as much 

 as 2000 pounds. 



Stable manure should not be used, as it is liable to 

 produce scab. It is usually affirmed that any fertilizer 

 containing chlorin is detrimental to the quality of the 

 tubers, but the reports on this point are conflicting. 

 But while we are awaiting a settlement of this point, 

 we will be safe if we use a high grade of sulphate of 

 potash. 



The following quantities of fertilizers will give the 

 desired amounts of the elements : 



