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SIGNIFICANCE OF NON APPLIED ELEMENTS IN COCONUT PRODUCTIVITY

Authors:

T. I. MATHEWKUTTY ,

COCOS, IN
About T. I.

Deputy Director, Coconut Development Board, Kochi -16

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N. N. POTTI,

IN
About N. N.
Professor of Agronomy, Horticultural College, Vellanikkara
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E. TAJUDDIN

IN
About E.
Director of Extension, Kerala Agricultural University Vellanikkara.
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Abstract

A critical evaluation of nutritional factors involved in coconut productivity
was carried out during 1991-1994. West Coast Tall palms aged 25
to 35 years varying in yield from 6 to 163 nuts per year growing in three
locations viz. Regional Agricultural Research Station, Pilicode, Agricultural
Research Station, Mannuthy and Coconut Research Station, Balaramapuram
under regular management constituted the experimental material. The relationship
of individual nutrient contents in respect of 10 elements were worked
out. First order nutrient ratios in respect of these elements were also studied.
The results showed that continuous use of conventional fertilizers have lead
to a stage of negative response for them. It also indicated that deficiency of
non recommended and non applied elements like Mg and S and excess of
Ca, Fe and Mn limits coconut yield. This points to importance of balanced
nutrition for problem management and better productivity in coconut.
How to Cite: MATHEWKUTTY, T.I., POTTI, N.N. & TAJUDDIN, E., (2010). SIGNIFICANCE OF NON APPLIED ELEMENTS IN COCONUT PRODUCTIVITY. COCOS. 12, pp.72–78. DOI: http://doi.org/10.4038/cocos.v12i0.2167
Published on 10 Aug 2010.
Peer Reviewed

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