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Utilization of different plant species available in coconut plantation to produce nutrient rich vermicompost

Authors:

S. H. S. Senarathne ,

Coconut Research Institute, Lunuwila, LK
About S. H. S.
Agronomy Division
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I. M. P. S. Ilangamudali

Rajarata University of Sri Lanka, Anuradhapura, LK
About I. M. P. S.
Department of Plant Sciences, Faculty of Agriculture
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Abstract

Vermicomposting is a well known technology that produces a valuable organic fertilizer from Organic waste. Weeds in coconut plantations are good organic sources for vermicompost production. The experiment was carried out to evaluate the quality of vermicompost produced by different weed or plant species commonly available in coconut plantations and also to evaluate the effect of these residues on the earth worm activity in the vermicomposting process. Vermicomposts were produced using different plant or weed species collected from coconut plantations in combination with cattle manure.

The highest N content and worm growth was found in the vermicompost produced using Puereria phasioloides, Gliricidia sepium and Tithonia diversifolia. The highest P content was recorded in vermicompost samples produced using Tithonia diversifolia and Panicum maximum. Tithonia diversifolia, Puereria phasioloides and Gliricidia sepium showes significantly higher K content than the other plant species residues. Organic Carbon content was significantly high in vermicompost made with Tithonia diversifolia, Gliricidia sepium, Tephrosia purpurea, Chromoleana odorata, Panicum maximum and Hyptis suaveolens. Worm multiplication rate was significantly lower % by Lantana camara, Chromoleana odorata, Hyptis suaveolens and Vernonie zeylanica substrates, possibly due to chemical compounds present in these plant species. The results shows that Gliricidia sepium, Puereria phasioloides and Tithonia diversifolia are the best species for vermicomposting when compared with other weed species in coconut plantations.

How to Cite: Senarathne, S.H.S. & Ilangamudali, I.M.P.S., (2016). Utilization of different plant species available in coconut plantation to produce nutrient rich vermicompost. COCOS. 21, pp.33–42. DOI: http://doi.org/10.4038/cocos.v21i0.5804
Published on 19 Oct 2016.
Peer Reviewed

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