Feb. 4, 1918 Variability of Yields of Fruit Trees and Field Trials 283 



YON, T. L. 



1912. SOME EXPERIMENTS TO ESTIMATE ERRORS IN FIELD PLOT TESTS. In ProC 



Amer. Soc. Agron., v. 3, 1911, p. 89-114, 5 fig. 

 Macoun, W. T. 



1904. INDIVIDUALITY OF FRUITS. In Exp. Farms [Canada] Rpt., 1903, p. 102-104. 

 Mercer, W. B., and Hall, A. D. 



1911. THE EXPERIMENTAL ERROR OF FIELD TRIALS. Ill Jour. Agr. Sci., V. 4, pt. 2, 

 p. 107-132, 10 fig. 

 Mitchell, H. H., and Grindley, H. S. 



1913. THE ELEMENT OF UNCERTAINTY IN THE INTERPRETATION OF FEEDING EXPERI- 



MENTS. In 111. Agr. Exp. Sta. Bui. 165, p. 459-579, 8 fig. Bibliography, 



P- 578-579- 

 Montgomery, E. G. 



i912. variation in yield and method of arranging plats to secure com- 

 PARATIVE RESLTLTs. In Nebr. Agr. Exp. Sta. 25tli Anai. Rpt., [i9ii]/i2, 

 p. 164-180, 4 fig. 



I913. EXPERIMENTS IN WHEAT BREEDING: EXPERIMENTAL ERROR IN THE NURSERY 



AND VARIATION IN NITROGEN AND YIELD. U. S. Dept. Agr. Bur. Plant 

 Indus. Bui. 269, 61 p., 22 fig., 4 pi. 

 Munson, W. M. 



1907. ORCHARD RENOVATION. In Maine Agr. Exp. Sta. Bui. 139, p. 53-56. 

 Olmstead, L. B. 

 i914. some applications of the method of least squares to agricultural 

 EXPERIMENTS. In ]ouT. Amer. Soc. Agron., v. 6, no. 4/5, p. 190-204, i fig- 

 Pickering, S. U. 



1911. EXPERIMENTAL ERROR IN HORTICULTURAL WORK. In Jour. Bd. Agr. [lyondon]. 



Sup. 7, p. 38-47. 

 Pritchard, F. J. 



I916. THE USE OF checks AND REPEATED PLANTINGS IN VARIETAL TESTS. In 



Jour. Amer. Soc. Agron., v. 8, no. 2, p. 65-81, 3 fig. 

 Shamel, a. D. 



1912. BUD SELECTION as A MEANS OF IMPROVING CITRUS AND OTHER FRUITS. In 



Ann. Rpt. Amer. Breeders' Assoc, v. 8, 1911, p. 497-503. 

 Stewart, J. P. 



1913. FERTILIZATION AND CULTURE METHODS IN APPLE ORCH.\RDS. In Pa. Agr. 



Exp. Sta. Ann. Rpt. 1911/12, p. 497-563. 

 Stockberger, W. W. 

 1916. relative precision op formula for calculating normal plot yields. 

 In Jour. Amer. Soc. Agron., v. 8, no. 3, p. 167-175. 

 Surface, F. M., and Pearl, Raymond. 



1916. A METHOD OF CORRECTING FOR SOIL HETEROGENEITY IN VARIETY TESTS. In 



Jour. Agr. Research, v. 5, no. 22, p. 1039-1050, 4 fig. Literature cited, 

 p. 1050. 

 Whitten, J. C. 



1915. BUD SELECTION FOR INCREASING YIELDS. In Mo. Agr. Exp. Sta. Bul. 131, 



p. 479-480. 

 Wood, T. B. 



191 1. THE INTERPRETATION OF EXPERIMENTAL RESULTS. In Jour. Bd. Agr. [Lon- 

 don], Sup. 7, p. 15-37, 2 fig. 



and Stratton, F. J. M. 



1910. THE interpretation OF EXPERIMENTAL RESULTS. In JoUT. Agr. Sci., V. 3, 

 pt. 4, p. 417-440, 10 fig. 



