42 



CIRCULAR 491. U. S. DEPARTMENT OF AGRICULTURE 



chine. Mowing wholly eradicated many of the sage plants, subdued 

 the remainder and rendered them more palatable, and noticeably in- 

 creased the stand and vigor of the grass. This work was conducted 

 on a moderately grazed pasture and was expanded in 1937 to deter- 

 mine when both sagebrush and skunkbrush may be mowed to best 

 advantage and if elimination of the shrubs under continuous over- 

 grazing is detrimental to the grass (fig. 21). 



Figure 21. — A. Mowing sand sagebrush on range near Woodward. Okla. ; B. 

 close view of vegetation, showing dearth of grass and presence of weeds among 

 the sage. 



