108 THE POTATO 



young weeds and brings more seed up to germinate, 

 which may be killed by another harrowing a week 

 later. When the potatoes appear, the weeder (Fig. 30) 

 will be found the most serviceable implement for holding 

 the weeds in check and maintaining the mulch. It may 



FIG. 31 FIVE-TOOTH CULTIVATOR WITH KILLER ATTACHMENTS 

 Still used by many farmers. 



be driven across the rows after each cultivation until 

 the potatoes are 9 or 10 inches high. As a good 

 horse and man can do twenty acres a day, it is quite 

 expeditious and generally satisfactory. 



Generally speaking, it is advised to cultivate widely 

 and deeply from 4 to 6 inches the first, and, in 

 some cases, the second time after the potatoes appear, 

 then reduce the width and the depth to one inch or so. 



