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CORRELATION AMONG SOIL TEST VALUES AND ELEMENTAL COMPOSITION OF CHRYSANTHEMUMS
E. JAY HOLCOMB and JOHN W. WHITE
Plant and Soil
Vol. 54, No. 1 (1980), pp. 45-50
Published by: Springer
Stable URL: http://www.jstor.org/stable/42935210
Page Count: 6
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Chrysanthemum morifolium Ramat. plants were grown in a soil mix fertilized daily with a balanced solution containing N, P, K, Ca, and Mg at 4 rates which were 0.5, 1, 2, and 4 times. At the end of 4 weeks of vegetative growth, the above-ground portions of the plants were analyzed for elemental content, and the soil mix was analyzed by 3 soil testing procedures. The N, P, and K contents of chrysanthemum were positively correlated with the reported values of these nutrients in the soil as determined by the Spurway, Penn State, and Intensity-Balance soil tests. Magnesium, as in the Penn State and Intensity-Balance soil tests, was negatively correlated with plant Mg content; however, Ca was not significantly correlated with plant Ca in the Penn State test and negatively correlated in the Intensity-Balance test. The magnitude of the correlation coefficients between nutrient content of the plants, and the soil test value of the nutrient by all three soil tests were similar indicating that all three soil tests can be used.
Plant and Soil © 1980 Springer