GROWING CULTIVATED CROPS IN DRY AREAS 295 



The amount of seed called for will vary much with 

 the size of the tubers and with the distance between the 

 rows and sets, but 10 to 12 bushels will usually suffice 

 for an acre. 



Care of the crop. In some soils the plan is good 

 which uses the harrow on the planted crop from two to 

 three or four times between the time of planting and the 



DRY LAND POTATOES,* NEAR KALISPELL, MONTANA. 

 Courtesy Great Northern Railway Co. 



season when cultivation should begin, that is, when the 

 plants are from 4 to 6 inches high. In other instances the 

 weeder will give better results after the plants have 

 reached the surface. The first cultivation given may 

 usually be deep, especially if the plants are yet not far 

 above the ground, but the cultivator so used should leave 

 the surface of the ground level. The soil is thus left 

 loose in which the potatoes may feed freely. The sub- 

 sequent cultivations should be shallow, and they may be 



