Summary
1. Size of seed tubers has the most pronounced effect on the yield. The highest yield was obtained by using seed tubers of 1 1/2 inches in diameter, 12 tubers to the pound, in combination with 80 pounds of N2; 160 pounds of P2O5, and 80 pounds of K2O per acre.
2. Although the spacing of 24 inches x 5 inches gave the highest yield, it produced a large percentage of undersized ware tubers.
3. Medium spacing, 30 inches x 8 inches, in combination with 1 1/2 inches in diameter of seed tubers, gave the larger percentage of ware tubers than any other combinations.
4. Fertilizer seemed to have no effect on the size of tubers produced.
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Literature Cited
Edwards, G. H.et al. 1956. Manuring of potatoes with NPK. Exp. Hub., 1: 25–43.
Kapoor, S. L. 1949. Some studies on the influence of spacing, seed-piece and manuring on the yield of potato crops. Proc. Ind. Acad. Sci., 30: 5.
Roer, L. 1955. Experiments with different sizes of seed potatoes and with different planting distances. Fm. Crop Inst. Agr. Coll., Norway, 6: 17–41 (English Summary, Field Corp Abst. 10: 39, 1957).
Terman, G. L. and A. Hawkins. 1947. Fertilizing potatoes economically in Aroostook County, Maine. Better Crops Pl. Food. 31: 23–26, 41–49.
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Written while a Post-doctorate Fellow of the National Research Council of Canada
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Choudhuri, H.C., Choudhuri, S.R. Fertilizer trials with different sizes of seed potatoes and different planting distances. American Potato Journal 35, 526–533 (1958). https://doi.org/10.1007/BF03010435
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DOI: https://doi.org/10.1007/BF03010435