BIBLIOGRAPHY 149 



On poor, infertile soils, low in lime content, the following com- 

 bination is meritorious: 



Pounds . Pounds 



Alsike clover 3 Redtop 3 



Canada bluegrass 9 White clover _2 



Orchardgrass 3 Total 20 



QUESTIONS 



1. (a) Approximately how many native grasses occur in the United 

 States? (b) How many grasses are extensively cultivated? (c) Name the 

 five perennial grasses that are grown extensively on permanent pastures in 

 this coimtry. 



2. In what region of the United States does Kentucky bluegrass grow well, 

 and in what region does it fail to produce a good crop? 



3. Compare (a) the distribution, (b) the forage value, and (c) the soil re- 

 quirements of Canada bluegrass and Kentucky bluegrass. 



4. (a) Where is Bermudagrass extensively grown? (b) How does the 

 grazing capacity of Bermudagrass compare with that of Kentucky bluegrass? 



5. (a) Discuss the habit of growth and forage value of Hungarian brome- 

 grass. (6) How would you establish a pasture of Hungarian brome? 



6. Compare (a) the palatability, (b) the yield, (c) the soil requirements of 

 redtop with those of orchardgrass. 



7. (a) Is timothy more valuable for hay or for pasture? (b) How many 

 pounds of timothy seed should be sown to the acre, and how should the seed 

 bed be prepared? 



8. Discuss the value of (a) ryegrass and (b) Johnsongrass for permanent 

 pastures. 



9. How does the palatabUity of tall oatgrass compare with that of meadow 

 fescue? 



10. Discuss the merits of seeding to a mixture of grasses and other species. 



BIBLIOGRAPHY 



Ball, C. R. Saccharine Sorghums for Forage. U. S. Dept. of Agr. 



Farmers Bui. 246, 1906. 

 Evans, Morgan W. Timothy. U. S. Dept. of Agr. Farmers Bui. 990, 



1918. 

 Piper, C. V. Important Cultivated Grasses. U. S. Dept. of Agr. Farmers 



Bui. 1254, 1922. 

 Piper, C. V., and Carrier, Lyman. Carpet Grass. U. S. Dept. of Agr. 



Farmers Bui. 1130, 1920. 



