DAIRYING 



259 



guarded as its importance merits. Liquid manure is 

 even more valuable than the solid manure, and if proper 

 arrangements are made, it will take care of itself, and will 

 not only fertilize the soil to which it should be passed, 

 but it may be used for irrigating the land at the same 

 time. 



This can be done by means of a septic tank if the 

 gutters in the stables are properly constructed so as to 

 allow it to pass into the septic tank. When there, it fer- 



A COMPLETE IRRIGATING SYSTEM WITH DAIRY HOUSE AND RESIDENCE 

 ATTACHED WITH THE SAME SYSTEM OK THE BARN 

 Designed by Professor Oscar Erf 



ments and later is discharged through a system of tile 

 drains, onto the laud, where it becomes distributed into 

 all parts of the soil. The solid manure can now be hauled 

 onto other fields with half the labor that otherwise would 

 be required, and all the fertilizing constituents in the 

 manure can be completely recovered and restored to the 

 soil. 



The loss of manure ought to be guarded against with 

 zealous care; certainly with as much as is given to guard- 



