Experimental Error in Crop Tests 
91 
BIBLIOGRAPHY 
ALWOOD, W. B., and PRICE, R. H. 
189 0. Suggestions Regarding Size of Plats. (Virginia Agricul- 
tural Experiment Station, Bui. Xo. 6, pp. 2 0.) 
BARBER, C. W. 
1914. Note on the Accuracy of Bushel Weight Determinations. 
(Maine Agricultural Experiment Station, Bui. 22 6, pp. 69-75.) 
1914. Note on the Influence of Shape and Size of Plats in Tests 
of Varieties of Grain. (Maine Agricultural Experiment Sta- 
tion, Bui. 226, pp. 76-84.) 
1914. Note on the Influence of Shape and Size of Plots in Tests 
of Varieties of Grain. (Maine Agricultural Experiment Sta- 
tion, Bui. 226, pp. 76-84.) 
BULL, C. P. 
1909. The Row Method and the Centgener Method of Breeding 
Wheat, Oats and Barley. (Jour, of the American Society of 
Agronomy, Vol. I, pp. 9 5-98.) 
\ 
BRIGGS, L. J., and SHANTZ, H. L. 
1913a. The Water Requirement of Plants. I. Investigations in 
the Great Plains in 1910 and 1911. (U. S. Department of 
Agriculture, Bureau of Plant Industry, Bui. 284, 4 9 pp.) 
1913b. The Water Requirement of Plants. II. A Review of the 
Literature. (U. S. Department of Agriculture, Bureau of 
Plant Industry, Bui. 2 85, 9 6 pp.) 
CARLETON, M. A. 
19 09. Limitations in Field Experiments. (Proc. Soc. Prom. Agr. 
Science, Vol. 30, pp. 55-61.) 
COFFEY, G. N. 
1913. The Purpose and Interpretation of Field Experiments. 
(Jour, of the American Society of Agronomy, Vol. 5, pp. 222- 
230.) 
COLLINS, G. N. 
1914. A More Accurate Method of Comparing First Generation 
Maize Hybrids with Their Parents. (U. S. Department of 
Agriculture, Jour. Agricultural Research 3, No. I, pp. 85-91.) 
