216 



MISCELLANEOUS PUBLICATION 1271, U.S. DEPARTMENT OF AGRICULTURE 



Table 14.- — Total cm. of xoater and cm. of available water in the 

 upper 10-cm. layer of soil on the grazed and ungrazed sites 

 at sampling dates in the 1970 season 







Grazed 





Ungrazed 



Date 



Total 



Available 



Total 



Available 





cm. 



cm. 



cm. 



cm. 



5/27 



1.97 



1.23 



2.29 



1.63 



6/15 



2.90 



2.16 



2.65 



1.99 



6/22 



1.60 



0.86 



1.55 



0.89 



6/29 



2.11 



1.37 



1.18 



0.52 



7/6 



0.54 



0.00 



0.61 



0.00 



7/13 



0.46 



0.00 



0.63 



0.00 



7/20 



0.69 



0.00 



0.75 



0.09 



7/28 



1.78 



1.04 



1.63 



0.97 



8/4 



1.77 



1.03 



1.93 



1.27 



8/11 



0.68 



0.00 



1.10 



0.44 



8/18 



0.57 



0.00 



0.55 



0.00 



8/24 



1.10 



0.36 



0.47 



0.00 



8/31 



0.34 



0.00 



0.47 



o.op 



9/8 



0.55 



0.00 



0.56 



0.00 



9/14 



0.93 



0.55 



1.06 



0.40 



9/21 



1.10 



0.36 



1.07 



0.41 



9/28 



1.71 



0.97 



1.67 



1.01 



10/5 



0.97 



0.23 



1.03 



0.37 



Table 15. — Average maximum, average minimum, and weekly average relative humidity values at two 

 heights above the ground surface on the grazed and ungrazed sites for selected weeks in the 1970 

 season 



Season 

 dates 



June 14-20 

 July 5-11 

 Aug. 23-29 



June 14-20 

 July 5-11 

 Aug. 23-29 







Grazed 







Ungrazed 





above 



Weekly 



Weekly 





Weekly 



Weekly 





ground 



average 



average 



Weekly 



average 



average 



Weekly 





maximum 



minimum 



average 



maximum 



minimum 



average 





Percent 



Percent 



Percent 



Percent 



Percent 



Percent 



15 cm. 



96 



56 



77 



95 



51 



73 



do. 



76 



32 



52 



76 



33 



52 



do. 



69 



26 



45 



69 



29 



48 



Canopy 















+ lm' 



95 



53 



74 



92 



47 



69 



do. 



70 



34 



52 



69 



30 



48 



do. 



67 



28 



46 



63 



25 



41 



1 On grazed site canopy 4- 1 m. = 130 cm. : on ungrazed site canopy 4- 1 m. = 145 cm. 



