264 



THE PRINCIPLES OF SOIL MANAGEMENT 



ployed to remove a limited excess of water from the soil. 

 Those practices which may be employed for this purpose 

 are the opposite of those applied in the conservation of 

 water. The most applicable ones are: (1) Rolling. (2) 

 Ridged surface. (3) Growth of plants. 



Rolling, or any other practice which compacts the 

 soil and strengthens capillary movement of water to the 

 surface, places the moisture in the most favorable position 



Fig. 94. Water forced to the surface by the closure of the outlet of a tile drain. 



