BIBLIOGRAPHY. 



Beeg, Frederic. 



1916. Remarks concerning biological qualities of lucern (Med lea go 

 saliva L.) and thistle (Cirsiiim arvense Scop.). In Bui. ApDl. 

 Bot., t. 9, no. 7 (92), p. 353-3.57. In Russian. English sum- 

 mary, p. 355-357. 



Blair, R. E, 



1914. The work of the Yuma Reclamation Project Experiment Farm 

 in 1913. U. S. Dept. Agr., Bur. Plant Indus., West Irrig. Agr. 

 [Giro. W. I. A.-07], 18 p., 6 fig. 



Blinn, Philo K. 



1911. Alfalfa : the relation of type to hardiness. Colo. Agr. Exp. Sta. 

 Bui. 181. 16 p., 14 pi. (in text). 



Brand, Charles J. 



1910. Cold resistance of alfalfa and some factors influencing it. U. S. 



Dept. Agr., Bur. Plant Indus. Bui. 185, 80 p., 1 fig., 4 pi. 



Cook, W. M. 



1911. Alfalfa in Ohio : a field study. Ohio Agr. Exp. Sta. Circ. 113, 



56 p., 26 fig. 

 Georgeson, C. C, and Payne, J. E. 



1897. Investigations of the root development of some forage plants. 

 Kans. Agr. Exp. Sta. Bui. 75, p. 212-222, 6 pi. 

 Hansen, N. E. 



1913. Cooperation tests of alfalfa from Siberia and European Russia. 



S. Dak. Agr. Exp. Sta. Bui. 141, p. 33-1-57, 21 pi. (in text). 

 1916. Transplanting alfalfa. S. Dak. Agr. Exp. Sta. Bui. 167, p. 

 422-445, illus. 

 Hays, Willet M. 



1889. Roots of clovers. In Minn. Agr. Exp. Sta. Ann. Rpt., 5th, 

 [1887-88], p. 188-197, pi. 1-4 (in text). 

 Headden, William P. 



1896. Alfalfa. Colo. Agr. Exp. Sta. Bui. 35, 95 p., 18 pi. 

 1906. Alfalfa. Results obtained at the Colorado Experiment Station. 

 Colo. Agr. Exp. Sta. Bui. 110, 16 p. 

 Le Blanc, Thomas. 



1791. Experiments on the variegated medick. In Ann. Agr. and other 

 useful arts, v. 15, no. 87, p. 277-285. 

 McKee, Roland. 



1916. Effect of clipping on the root development of alfalfa. In Jour. 

 Amer. Soc. Agron., v. 8, no. 5, p. 329-3.32. 

 MacMillan, H. G. 



1919. The vitality of alfalfa roots. In Proc. Colo. Sci. Soc, v. 11, p. 

 251-2.52. 4 pi. 



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