26 



BULLETIN 1405, U. S. DEPARTMENT OF AGRICULTURE 



EFFECT OF FREQUENCY OF PASTURING ON FORAGE PRODUC- 

 TION AND LONGEVITY OF VEGETATION 



With the view of determining the specific influence on the vege- 

 tation of different intensities and frequency of cropping, a "plant 



TOTAL CATTLE GRAZING ON 

 THE DIVISION: 

 MAY ZO TO 



Fig. 10. — Distribution of cattle on area shown in Figure 9 



vigor" experiment was initiated at the Great Basin Experiment 

 Station in 1916. 



