HARVESTING 



145 



row of potatoes, and the row lifted and deposited on 

 the elevator, which gradually shakes out the soil and 

 leaves the potatoes in a row on the ground in the rear. 

 These require two to four horses, according to con- 

 ditions, and do better work on soils free from stones. 

 The Standard Digger is different. A divided shovel 



FIG. 43 — THE REUTHER POTATO DIGGER 



lifts the row onto a shaker, which separates the pota- 

 toes and soil, leaving the latter on the surface behind. 

 This digger works well when potatoes are ridged or 

 planted shallow, but when deep it does not do so well.' 

 One other form used successfully in Canada and Great 

 Britain consists of a strong frame on two wheels and 

 a small wheel in the front and rear. It carries a set of 

 revolving forks working at right angles to the share, 



' Minn. Bui. 52, p. 439. 



