METHODS OF APPLYIXG WATER. 



145 



twenty feet. The object is to secure quick and thorough 

 irrigation. Some have called it the checkerboard sys- 

 tem, but it is the only one that native farmers know, 

 and those crops that they attempt to grow are indeed 

 very prolific. 



Sprinkling. In Florida most of the irrigation is 

 of the sprinkling order and is best described by George 

 \Y. Adams, of Thonotosassa, who says: "I have a 

 twenty-five horse power horizontal boiler and a 12x7x10 

 duplex pump, with six-inch main pipe and three-inch 

 laterals at the main and running down to one and a half 



FIG. 53. IRRIGATING WITH A HOSE. 



at extreme ends. My trees are twenty-one feet apart 

 each way. I have a hydrant in the center of every six- 

 teen trees. I use the McGowan automatic sprinklers, 

 connecting the sprinkler with hydrants by a one-inch 

 wire-wound rubber hose fifty feet long. I use twelve of 

 the sprinklers at one time and could use more just as 

 well, each sprinkler staying in place thirty minutes, each 

 one covering a space of from fifty to seventy feet, accord- 

 ing to the amount of pressure given them, and discharg- 

 ing about 1000 gallons. By this process I have a gen- 

 10 



