.Mi:TH"l>S OK APPLYING NVA'J KU. 



143 



tionmont of water, and in this fact alone does it po 

 any advantage* OUT tin.' simple opening in the head flume 

 for the escape of water. 



The Basin System. This method consists in 

 making a small ba.-in around trees, filling it two, three or 

 more times with water as fast as it soaks away. These 

 liusins vary in size according to the amount of water one 

 has. Where the supply is small they are often not more 

 than two feet across, and even smaller for young trees. 

 WJierc there is more water, many make them 10, 12 and 



FIG, 52. THE BASIN SYSTEM. 



even 15 feet across. Some make them square, others 

 round, while others make them oval or rectangular. 

 The plan is well shown up in Figure 52. 



In many cases the formation of these basins is very 

 stupid. That trees treated in this way do anything, only 

 proves that they would do better in other ways, and does 

 not prove that such is the correct way to irrigate them. 

 For instance, allowing the water to touch the trunk of a 

 tree is -radically wrong. In the center of the basin 



