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IJBT Vol.08(3) [July 2009] >


Title: Biodegradation of leaf litter of tree species in presence of cow dung and earthworms
Authors: Sannigrahi, A K
Keywords: Avenue trees
biodegradation
earthworm
fruit trees
leaf litter
Perionyx excavatus
vermicompost
Issue Date: Jul-2009
Publisher: CSIR
Abstract: The dry leaves of Psidium guajava Linn., Ficus benghalensis Linn., Codiaeum variegatum Linn., Polyalthia longifolia Sonner., Eucalyptus citriodora Hook., Caesalpinia pulcherrima Linn., Syzygium cumini Linn., Artocarpus heterophyllus Lamk., Musa paradisiaca Linn., Plumeria rubra Linn., Litchi chinensis Gaertn., Pinus insularis Endl., Elaeocarpus sphaericus Gaertn., Bombax ceiba Linn., Streblus asper Lour. and Dalbergia sissoo Roxb. were converted to vermicomposts in about 5 to 8 months while those of Mangifera indica Linn., Terminalia chebula Retz., Lagerstroemia speciosa Linn. and Tectona grandis Linn. took about 10 months. However, Leucaena leucocephala Lamk. leaves took only 2 months to become vermicompost. These vermicomposts contained: N, 0.9 to 1.9; P, 0.5 to 1.2; K, 0.9 to 2.5; Na, 0.8 to 3.5; Ca, 0.9 to 4.9 and S, 0.9 to 2.2%. The vermicompost of Bombax ceiba flowers produced in 3.5 months contained: N, 1.2; P, 0.6; K, 1.8; Na, 1.4; Ca, 0.4 and S, 0.9%. Nutritional status of these vermicomposts varied with the variation of tree species. This information would motivate farmers for vermicomposting of dry leaves instead of burning.
Page(s): 335-338
ISSN: 0975-0967 (Online); 0972-5849 (Print)
Source:IJBT Vol.08(3) [July 2009]

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