28o 



IRRIGATION FARMING. 



trash and to get pressure. As the trees grow older and 

 larger the soil must be soaked deeper, and when loaded 

 with fruit they need irrigation at least every two weeks 

 until the fruit is gathered. Do not be afraid that a 



NORTH' 



FIG. 65— DIAGRAM OF AN ORCHARD. 



tree loaded with fruit will not ripen in the fall. So 

 long as the fruit is on the trees do not stop watering, 

 but soak the whole surface to a good depth. 



Planting.— A good idea of an irrigated orchard 

 may be gleaned from the diagram of Fig. 65. hX a is 

 the ditch, b are the checks in the ditch, and ^the head- 

 gates of the furrows. 



