Soil and Leaf Analyses in Relation to the Nutrition of High Yielding Coconut Genotypes

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dc.contributor.authorKamala Devi, C.B.
dc.contributor.authorVelayutham, M.
dc.contributor.authorHaridasan, M.
dc.date.accessioned2014-08-04T08:48:43Z
dc.date.available2014-08-04T08:48:43Z
dc.date.issued1976
dc.description.abstractSeasonal changes in the nutrient composition of index- leaf and available nutrien status of a ten year old coconut planatation on acid sandy loam soil were evaluated in three high yielding coconut genotypes (West Coast Tall, Tall x Dwarf, and Dwarf x Tall) growing under three fertilizer levels. Seasonal changes in leaf nutrients status confirmed that the fourteenth leaf could be taken as the index leaf under the local conditions. Available K was a limiting nutrient which was reflected in deficient K concentration in leaf of control plots. An inverse relationship between K and Mg content of leaf was observed. Leaf concentration of N was not significantly influenced by fertilization. Even at the highest level of fertilizer application was below the critical limit proposed by IRHO. However, yield data indicated that the critical limit could possibly be lowered to suit the West Coast of India conditions. No significant variation was observed in P content of leaves due to fertilisers or genotypes. Fixation of P in the soil, appeared to be accentuated during monsoont months. NPK fertilization increased the concentrations of Mn, Zn, Fe, and Cu in the leaf while that of Ca, S, Fe, B, and Mo were unaffected.en_US
dc.identifier.citationIn: Coconut research and development; proceedings of the international symposium, 1st, CPCRI, Kasaragod, 27-31 Dec. 1976. Edited by N. M. Nayar. Wiley Eastern, New Delhi p-115-119en_US
dc.identifier.urihttp://hdl.handle.net/123456789/4549
dc.language.isoenen_US
dc.titleSoil and Leaf Analyses in Relation to the Nutrition of High Yielding Coconut Genotypesen_US
dc.typeArticleen_US

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