Experimental Error in Crop Tests 
93 
1911. Some Experiments to Estimate Errors in Field Plat Tests. 
(Jour, of the American Society of Agronomy, Vol. Ill, pp. 
89-116.) 
MERCER, W. B., and HALL, O. D. 
1911. Experimental Error of Field Trials. (Jour, of Agricul- 
tural Science, No. 4, pp. 107-132.) 
MONTGOMERY, E. G. 
1910. Methods for Testing the Seed Value of Light and Heavy 
Kernels in Cereals. (Jour, of the American Society of 
Agronomy, Vol. II, pp. 59-70.) 
1911. Variation in Yield and Methods of Arranging Plats to 
Secure Comparative Results. (Nebraska Agricultural Experi- 
ment Station, 2 5th Annual Report, pp. 164-180.) 
1913. Experiments in Wheat Breeding. (U. S. Department of 
Agriculture, Bureau of Plant Industry, Bui. 269, pp. 60.) 
MORGAN, J. OSCAR. 
19 08. Some Experiments to Determine the Uniformity of Certain 
Plats for Field Tests. (Jour, of the American Society of 
Agronomy, Vol. I, pp. 58-67.) 
PEARL, R., and MINER, J. R. 
1914. A Table for Estimating the Probable Significance of Statis- 
tical Constants. (Maine Agricultural Experiment Station, 
Bui. 226, pp. 85-88.) 
PIPER, C. v., and STEVENSON, W. H. 
1910. Standardization of Field Experimental Methods in Agron- 
omy. (Jour, of the American Society of Agronomy, Vol. II, 
pp. 70-76.) 
PRICHARD, F. J. 
1916. The Use of Checks and Repeated Plantings in Varietal 
Tests. (Jour, of the American Society of Agronomy, Vol. 8, 
pp. 65-81.) 
SALMON, CECIL. 
1913. A Practical Method of Reducing Experimental Error in 
Varietal Tests. (Jour, of the American Society of Agronomy, 
Vol. V, pp. 182-184.) 
1914. Check Plats — A Source of Error in Varietal Tests. (Jour, 
of the American Society of Agronomy. Vol. 6, pp. 128-131.) 
SCHNEIDEWIND, W. 
1914. Experiments with Different Sized Plats. (Mitt. Deut. 
Landw. Gesell, 29, No. 21, pp. 298-300.) 
