70 BULLETIN 823, IT. S. DEPARTMENT OF AGRICULTURE. 
LITERATURE CITED. 
(1) Atcher, L. C. 
1916. Growing grain on southern Idaho dry farms. U. S. Dept. Agr. Farm- 
ers' Bui. 769, 23 p., 9 fig. 
Atkinson, Alfred. 
(2) 1911. Grain investigations with wheat, oats, and barley. Mont. Agr. Exp. 
Sta. Bui. 84, p. 207-230, 4 fig. 
(3) 1917. The agronomy department. In Mont. Agr. Exp. Sta. 23d Ann. Rpt., 
1915/16, p. 165-170. 
(4) Babcock, F. R, 
1915. Cereal experiments at the Williston substation. U. S. Dept. Agr. 
Bui. 270, 36 p., 11 fig. 
(5) Boss, Andrew, et al. 
1909. Seed grain; selection, treatment, varieties, distribution. Minn. Agr. 
Exp. Sta. Bui. 115, p. 361-384, 2 fig. 
(6) Breithaupt, L. It. 
1917. Grains for the dry lands of central Oregon. U. S. Dept. Agr. Farm- 
ers' Bui. 800, 22 p., 6 fig. 
(7) Burlison, W. L., and Allyn, O. M. 
1917. Yields of spring grain in Illinois. 111. Agr. Exp. Sta. Bui. 195, p. 
497-508. 
(8) Cardon, P. V. 
1913. Cereal investigations at the Nephi substation. U. S. Dept. Agr. Bui. 
30, 50 p., 9 fig. 
(9) Carleton, M. A. 
1900. Russian cereals adapted for cultivation in the United States. U. S. 
Dept. Agr., Div. Bot. Bui. 23, 42 p., 2 fig., 2 pi. 
(10) Champltn, Manley. 
1914. Experiments with wheat, oats, and barley in South Dakota. U. S. 
Dept. Agr. Bui. 39, 37 p., 11 fig., 1 pi. 
(11) Clark, J. A. 
1914. Cereal experiments at Dickinson, N. Dak. U. S. Dept. Agr. Bui. 
33, 44 p., 7 fig., lpl. 
Cory, V. L. 
(12) 1912. Cooperative grain investigations at McPherson, Kans., 1904-1909. U.S. 
Dept. Agr., Bur. Plant Indus. Bui. 240, 22 p. 
(13) 1916. Progress report, Texas substation No. 6, Denton, Tex., 1909-1914. 
Texas Agr. Exp. Sta. Bui. 199, 18 p., 3 fig. 
(14) Donaldson, N. C. 
1916. Cereal experiments at the Judith Basin substation, Moccasin, Mont. 
U. S. Dept. Agr. Bui. 398, 41 p., 17 fig. 
(15) Gardner, F. D., and Runk, J. A. 
1911. Variety tests of oats. Pa. Agr. Exp. Sta. Bui. 108, 14 p. 
(16) Harris, F. S., and Ellison, A. D. 
1916. Dry farming in Utah. Utah Agr. Exp. Sta. Circ. 21, 35 p., 15 fig. 
(17) Hume, A. N., and Champlin, Manley. 
1914. Some varieties and strains of oats and their yields in South Dakota. 
S. Dak. Agr. Exp. Sta. Bui. 149, p. 345-375, 11 fig. 
(18) Hutchinson, C. B., and Douglass, T. R. 
1915. Experiments with farm crops in southwest Missouri. Mo. Agr. Exp. 
Sta. Bui. 123, p. 163-185, 2 fig. 
