THE 



FURROW 



METHOD 



98 



ARID AGRICULTURE. 



irigator can thoroughly water, and as a rule the 

 irrigation is more uneven than with other meth- 

 ods. This causes uneven ripening of the crops, 

 which is, of course, a disadvantage. 



There has been a demand for a method of 

 irrigation which does not flood the "crown" of the 

 crop plants, and also one which would not pro- 



Plate XV. Furrow Irrigation. 



duce baking and cracking of the surface soil, so 

 prevalent with heavy clay soils under the flood- 

 ing methods. The furrow method accomplishes 

 this. The seepage of water from the side of the 

 small ditch or furrow outward to the crop, or 

 "subbing," is maintained. Various modifica- 



