198 



CAMPBELLS SOIL (TLTURE MANUAL 



where in the spring, of 1901 there was almost entire ab- 

 sence of rain, yet one 20-acre field averaged 100 bushels 

 per acre, and the potatoes were sold at $1.00 a bushel. 

 This was with cultivation under the Campbell method* 

 while all around the potato crop was a total failure. Ther e 



Cut No. 20. Root Development with shallow cultivation. 



is really no reason why good crops of potatoes cannot be 

 grown all the way from the Texas line to Canada, with 

 right preparation of the soil and care in cultivation during 

 the growing season. 



