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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r?,? civ.vv.j---.-* 





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5 ■». 



II ^ 



nil 5 



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, 



