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Pastos y Forrajes

Print version ISSN 0864-0394


WENCOMO, Hilda B  and  ORTIZ, R. Performance of biomass availability and chemical composition of 23 Leucaena spp. accessions. Pastos y Forrajes [online]. 2012, vol.35, n.1, pp.43-56. ISSN 0864-0394.

A study was conducted with 23 Leucaena spp. accessions in an area which had been planted six years before. The objective was to determine, in the established plants, total biomass, edible biomass, ligneous biomass, stem diameter and number of branches in each accession, and its bromatological composition under simulated grazing conditions. The research was conducted at the EEPF "Indio Hatuey" during two years, on a hydrated ferruginous nodular humic lixiviated Ferralitic Red soil. Simple 3 m x 6 m plots were used. In the edible biomass and its components (leaves and fresh stems), there were significant differences (P<0,05) between the seasons of the two years. It could be observed that production was higher in the rainy season than in the dry season, although there were no differences among the mean biomass production of the accessions; in the case of total biomass no significant differences were found between seasons. To continue the studies is recommended, to determine, in the long term, the effect of the evaluated indicators on the availability and persistence of the tree.

Keywords : Leucaena spp.; nutrient availability; performance.

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