Mineral element content of potato plants and tubers vs. yields
- 79 Downloads
Linear equations for estimating the amounts of N, P, K, Ca, Mg and S removed from the soil as a function of yield are given for Russet Burbank potatoes. The equations were obtained from chemical analyses of potatoes grown using various ratios and rates of fertilizer, planting dates and harvest dates during 1966 to 1969 in the Columbia Basin of the state of Washington. The percentage mineral element composition of the tubers remained relatively uniform for the different ratios and rates of fertilizer but varied some due to the length of season. The correlation coefficients of chemical composition of the vines with chemical composition of tubers were low as were those relating amount in vines to yield. The correlation coefficients relating amounts of elements in the tubers to yield were 0.9 or greater.
KeywordsPotato Tuber AMERICAN Potato Journal Seed Piece Harvest Date Fertilizer Rate
Unable to display preview. Download preview PDF.
- 2.Carpenter, P. N. 1963. Mineral accumulation in potato plants as affected by fertilizer application and potato variety. Maine Agr. Exp. Sta. Bull. 610.Google Scholar
- 3.Kunkel, R. 1970. Relationships of yield and nutrient content of plants and tubers of Russet Burbank potatoes. Proc. 21st Ann. Fert. Conf. of the Pacific Northwest. p. 31–44.Google Scholar
- 4.Loginow, W., et al. 1970. Investigations on the intensive mineral fertilizing of potatoes: III Influence of fertilizing on the content of organic and mineral nitrogen forms in potato tubers. From Biol. Abstr. (#121325) 51: 11056.Google Scholar
- 5.MacGregor, J. M. and C. O. Rost. 1946. Effects of soil characteristics and fertilization on ptoatoes as regards yields and tissue composition. J. Amer. Soc. Agron. 38: 636–645.Google Scholar
- 6.Smith, O. 1968. Potatoes: Production; storing; processing. The Avi Pub-lishing Co., Inc. Westport, Conn. 642 p.Google Scholar
- 7.Woodbridge, C. G. and A. M. Lasheen. 1960. The nutrient status of normal and decline Bartlett pear trees in the Yakima Valley in Washington. Proc. Amer. Soc. Hort. Sci. 75: 93–99.Google Scholar