66 



Fig:. 45. Evaporation during a period of 33 day* from null irrigated 

 (( InoheM deep, Davlfi, Cal. 



No 

 Mulch 



6 inch 

 Mulct, 



June 3 to 24- - Z/ Days 



Fig. 46. Effect of mulches 

 evaporation from noil, 

 Davis, Cal. 



Fig. 47. Effect of mulches 

 evaporation from soil, 

 AVenatchee, Wash. 



