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Elemental Composition of Sugar-cane Leaf and Stem in relation to Nitrogen Deficiency

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Abstract

NITROGEN deficiency has been known to bring about certain specific changes in growth, physiology and composition of sugar-cane plants1,2. Its effect on mineral composition is less clearly understood. To throw light on this problem, sugar-cane variety Co 453 was grown in (1) Hoagland's complete nutrient culture, and (2) Hoagland's nitrogen-deficient culture for the entire life-cycle3. Percentages of nitrogen, P2O5, K2O, calcium, magnesium and sulphur in sugar-cane leaf and stem were estimated at maturity according to standard methods of analysis and expressed as percentages of dry weight.

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References

  1. Clements, H. F., et al., Hawaiian Planter's Rec., 25, 227 (1941).

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  2. Singh, B. N., et al., Progress Report of Researches on Physiology of Wheat and Sugar-cane, I.C.A.R., India (1940–42).

  3. Lal, K. N., and Mehrotra, O. N. (unpublished data).

  4. Thomas, W., Plant. Physiol., 12, 571 (1937).

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Authors and Affiliations

  1. Plant Physiological Laboratory, College of Agriculture, Banaras Hindu University, Banaras

    K. N. LAL & RAJAT DE

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  1. K. N. LAL
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  2. RAJAT DE
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LAL, K., DE, R. Elemental Composition of Sugar-cane Leaf and Stem in relation to Nitrogen Deficiency. Nature 167, 731–732 (1951). https://doi.org/10.1038/167731a0

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