62 



ARID AGRICULTURE. 



THE 

 WEEDER 



These harrows serve the double purpose of loos- 

 ening the soil and cutting off weeds. 



The weeder is a modified harrow with long 

 curved spring teeth. It is a most valuable im- 

 plement on dry farms for the easy and rapid eul- 



Plate VI. The Weeder in Grain. Photo by McWethy. 



tivatioii of grains and other crops. It can be 

 used after the plants are too high for ordinary 

 harrowing. For large work, using four-horse 

 gang weeder s is most economical in time and 

 labor. 



GOOD 

 HARROWING 



Good harrowing for the purpose of conserv- 

 ing moisture is that which more thoroughly 

 breaks up the surface soil, without making dust 



