A STUDY OF FACTORS INFLUENCING THE YIELD OF POTATOES 1279 



WHEELER, H. J., To WAR, J. D., AND TUCKER, G. M. The effect of liming 

 upon the development of potato tubers. In Fertilizers. Potatoes. 

 Potato scab. Rhode Island Agr. Exp. Sta. Bui. 33: 46-50. 1895. 



WHIPPLE, O. B. Thinning experiments with potatoes. Montana Agr. 

 Exp. Sta. Bui. 106 : 1-8. 1915. 



WHITNEY, MILTON. Fertilizers for potato soils. U. S. Soils Bur. Bui. 

 65:1-19. 1910. 



WOODS, CHARLES D. Field experiments. Maine Agr. Exp. Sta. Bui. 

 188:25-32. 1911. 



1914. 



Field experiments. Maine Agr. Exp. Sta. Bui. 224:25-48. 

 Barn and field experiments in 1916. Maine Agr. Exp. Sta. 



Bui. 260:85-120. 1917. 



Barn and field experiments in 1917. Maine Agr. Exp. Sta. 

 Bui. 269:1^4. 1918. 



WOODS, CHARLES D., AND BARTLETT, J. M. Field experiments in 1906-8. 

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ZAVITZ, C. A. Potatoes. Ontario Agr. Dept. Bui. 239:1-88. 1916. 



Memoir 52, Studies in Pollen, with Special Reference to Longevity, the fifth precedes: number in this series 

 of publications, was mailed on March 9, 1922. 



