Required number of rows and trees of each species per acre. 



The belt south of field F is planted with a mixture suitable for the 

 high prairies of western Kansas and western Nebraska, consisting of 

 rows of green ash, hackberry, and honey locust, arranged thus: 



Diagram No. 4- 

 A A A A A A 

 H H H H H H 



HL HL HL HL HL HL 



A=Greeii ash (Fraxinus lanceolata); HL Hone^ 

 H= Hackberry (Celtis occid< 



I locust ( Gleditsia triacanthos}; 

 talis). 



Required number of rows and trees of each species per acre. 



The section of windbreak west of field F, 50 feet 6 inches long, is 

 planted with a mixture suitable for the hot upland prairies of south- 

 western Kansas, Oklahoma, and Texas, consisting of alternating rows 

 of red cedar and Biota orientalis arranged in accordance with the fol- 

 lowing diagram: 



Diagram No. 5. 



Ba Ba Ba Ba Ba Ba 



J J J J J J 



Ba Ba Ba Ba Ba Ba 



J J J J J J 



Ba = Biota (Biota orientalis); J=Recl cedar (Juniperus virginiana). 

 Required number of rows and trees of each species per acre. 



