64 CELERY CULTURE 



removing the teeth from a one-horse cultivator and 

 bolting two pieces of 2x4-inch scantling on the 

 under side of the frame in the form of a letter V 

 with the open part toward the front ; the narrow 

 portion should not quite join, but there should be 

 a space of about 6 inches at the back through which 

 the soil may pass freely. If the weather is extreme- 

 ly dry this sweep should be run between the rows 

 at least twice a week to keep the surface loose and 

 maintain a dust mulch. 



