1 86 CONTROL OF EROSION ON RANGE AND PASTURE 



(5 



/3 



Peas 



Srome 



^/lear 



Water requirements per un/t dry ive/g/7t 

 wmm Eroded so// 

 VZZZZ2^ A^oo- eroded SO// 

 ^— • Fer cent c//ffere/7ce 



Fig. 6o. — RELATIVE WATER REQUIREMENTS PER UNIT DRY WEIGHT FOR PEAS, 

 NATIVE BROMEGRASS, AND WHEAT GROWN IN ERODED AND IN NONLRODED 

 SOILS OF THE SAME TYPE. 



