ANNUAL HAY AND FORAGE CROPS 293 



REFERENCES 



"Soiling Crops and the Silo." Shaw. 



"Forage Crops for the South." Tracy. 



"Forage Crops." Voorhees. 



"Forage Plants and Their Culture." Piper. 



Michigan Expt. Station Circular 27. "Hairy Vetch." 



Mississippi Expt. Station Bulletin 172. "Forage Crops." 



Farmers' Bulletins, U. S. Dept. of Agriculture: 



458. "Best Two Sweet Sorghums for Forage." 



515. "Vetches." 



529. "Vetch Growing in the South Atlantic States." 



599. "Pasture and Grain Crops for Hogs in the Pacific Northwest. 



605. "Soudan Grass as a Forage Crop." 



677. "Growing Hav in the South for Market." 



686. "Uses of Sorghum Grain." 



690. "The Field Pea as a Forage Crop." 



