Effect on the Groundnut of Variations in Supply of Potassium, Calcium and Magnesium

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Abstract

GROUNDNUTS (var. Philippine Pink) were grown in pots using a typically infertile local soil with the primary object of studying Prof. M. V. Homès's “Method of Systematic Variations”1 for the determination of major element requirements. With the exception of the controls, plants were supplied with 100 mgm. equivalents of various proportions of potassium, calcium and magnesium, 100 mgm. equivalents of a good fixed ratio of nitrate, sulphate and phosphate, and micronutrients at levels known to be suitable for many plants in sand culture2.

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References

  1. 1

    Homès, M. V., Soils and Fert., 18, 1, 101 (1955).

  2. 2

    Hewitt, E. J., ‘Sand and Water Culture Methods used in the study of Plant Nutrition’, 189 (Commonwealth Agricultural Bureaux 1952).

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COMBER, R. Effect on the Groundnut of Variations in Supply of Potassium, Calcium and Magnesium. Nature 184, 1003 (1959) doi:10.1038/1841003a0

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