SIZE OF POTATO SETS. 43 
(99) Troop, James. 
1890. Small fruits and vegetables. Ind. Agr. Exp. Sta. Bui. '31, 
22 p., 13 fig. 
(100) 1891. Tests of vegetables. In Ind. Agr. Exp. Sta. Bui. 34, p. 72-80. 
(101) Waldron, L. R. 
[1909]. Small vs. large seed potatoes. In N. Dak. Agr. Exp. Sta. 
1st Ann. Rpt. Dickinson Substa., 1908, p. 31-32. 
(102) Welch, John S. 
1917 Whole vs. cut potato tubers for planting on irrigated land. — 2. 
In Jour. Amer. Soc. Agron., v. 9, p. 224-230. 
(103) Wimpey, Joseph. 
1793. An account of an experiment actually made to discover whether 
whole potatoes or cuttings are to be preferred in planting, 
etc. In Letters and Papers Agr. Bath and West of England 
Soc, v. 5, ed. 2, p. 230-236. 
(104) Zavitz, C. A. 
1910. The relation between the size of seeds and the yield of plants 
of farm crops. In Proc. Amer. Soc. Agron. t v. 1, p. 98-104. 
(105) 1916. Potatoes. Ontario Dept. Agr. Bui. 239, 88 p., illus. 
