22 
BULLETIN 675, U. S. DEPARTMENT OF AGRICULTURE. 
production of the vegetation due to the lowered water-holding ca- 
pacity of the soil, and (2) lack of adequate plant nutrients in the 
soil for good growth due to reduction of the soluble plant foods. 
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RELATION OF EROSION AND SOIL DEPLETION TO REVEGETATION. 
The establishment on eroded soils of a dense vegetative cover made 
up of desirable forage and other deep-rooted, soil-binding species, 
similar to the original type, is a most difficult task. In the first place, 
