116 



THE IRRIGATION AGK 



and causes it to spread over all kinds of soils before it can soak away 

 in the ground. For this reason the last half of the water in the reser- 

 voir is not as valuable as the first or upper half. 



To obtain the fullest results from wind mill and pump irrigation, 

 such a full line of crops should be grown as will permit of all the year 

 round work. Wheat and rye and alfalfa will require irrigation in the 

 fall and winter; orchards also require watering in the winter, Lands 

 intended for spring crops should be thoroughly watered in the winter; 

 all kinds of spring crops, including corn and vegetables, require 



