OUTLINE OF GRAZING COURSE 377 



B. Present-day burning. 



C. Effect of burning on forage production. 



a. Grasslands. 

 h. Brushlands. 

 c. Woodlands. 



D. Application of burning tests to forage yield. 



a. Relation of decomposed vegetation to soil 



fertility. 

 h. Relation of burning to plant succession, 

 (i) Grasslands. 



(2) Brushlands. 



(3) Timbered lands. 



c. Use of goats in clearing brushlands. 



9. Destructive pasture rodents and their effective control. 



A. Value of forage destroyed annually. 



B. Most destructive species. 



a. Prairie dog. 



(i) Food habits. 



{A) Plants consumed. 

 (2) Methods of control. 



b. Jack rabbits. 



(i) Discussion as indicated under (i) 

 and (2) above. 



c. Ground squirrels. 



d. Gophers. 



e. Others. 



10. Grazing reconnaissance. 



A. Object. 



B. Chief problems which reconnaissance aims to 

 clarify. 



C History and development. 



D. Data and facts obtained. 



E. Methods of obtaining data. 



F. Grazing and timber reconnaissance compared. 



G. Application to practical range management. 



a. Direct. 



