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Uses and management of Gliricidia sepium in coconut plantation of Sri Lanka Gliricidia sepium (Jacq.) Walp.: Management and improvement. Proceedings

by Brewbaker, J.L; (eds.); LINAYAGE, L.V.K; WIJERATNE, A.M.U; Withington, D; Glover, N; Nitrogen Fixing Tree Association, Hawaii (EUA); CATIE, Turrialba (Costa Rica).
Series: Special Publication.Publisher: Honolulu, Hawaii (EUA), NFTA, 1987 Description: p.95-101.Subject(s): ARBOLES Y CULTIVOS PERENNES | USOS | SUELOS | ABONOS | ALIMENTOS PARA ANIMALES | GLIRICIDIA SEPIUM | COCOS NUCIFERA | SRI LANKA | USES | FERTILIZERS | ANIMAL FEEDING STUFFS | GLIRICIDIA SEPIUM | COCOS NUCIFERA | SRI LANKA | UTILISATION | ENGRAIS | GLIRICIDIA SEPIUM | COCOS NUCIFERA | SRI LANKA In: Summary: Performance of Gliricidia sepium (Jacq.) Walp. was studied over 2-1/2 years in mature coconut plantations in three agro-ecological zones (wet, dry and intermediate) in Sri Lanka representing the three soil types, an Ultisol (Lateritic) and two Entisols (sandy and sandy loam). Mature Gliricidia sticks planted 2,0 m x 0,9 m in double rows in the coconut avenue (1.900 plants/ha) achieved 90 por ciento establishment at all locations. Gliricidia plants cut at 1 m height after one year at three-month intervals produced 8-10 t/ha and more than 10 t/ha of green matter annually at all locations during the first and second years, respectively. Annual fresh firewood production after one year was 11-13 t/ha and 8-10 t/ha on the Ultisol and Entisol, respectively. Wood production in the second year was 12-13 t/ha on the Entisol and 14-16 t/ha on the Ultisol. Leaf litter production was 2 t/ha on Entisol (sandy) and 0,5-1,0 t/ha on the other soils. Nodule numbers ranged from 30-100/plant three months after staking at all locations. Gliricidia incorporated in quarter circle trenches cut 30 cm away from the palm were the most effective trenching, root pruning and fertilization method attempted. A mixture of 50:50 of Gliricidia leaves and the grass, Brachiaria miliiformis, fed to cross-bred heifers produced average live weight gains of 700 g/day.
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Performance of Gliricidia sepium (Jacq.) Walp. was studied over 2-1/2 years in mature coconut plantations in three agro-ecological zones (wet, dry and intermediate) in Sri Lanka representing the three soil types, an Ultisol (Lateritic) and two Entisols (sandy and sandy loam). Mature Gliricidia sticks planted 2,0 m x 0,9 m in double rows in the coconut avenue (1.900 plants/ha) achieved 90 por ciento establishment at all locations. Gliricidia plants cut at 1 m height after one year at three-month intervals produced 8-10 t/ha and more than 10 t/ha of green matter annually at all locations during the first and second years, respectively. Annual fresh firewood production after one year was 11-13 t/ha and 8-10 t/ha on the Ultisol and Entisol, respectively. Wood production in the second year was 12-13 t/ha on the Entisol and 14-16 t/ha on the Ultisol. Leaf litter production was 2 t/ha on Entisol (sandy) and 0,5-1,0 t/ha on the other soils. Nodule numbers ranged from 30-100/plant three months after staking at all locations. Gliricidia incorporated in quarter circle trenches cut 30 cm away from the palm were the most effective trenching, root pruning and fertilization method attempted. A mixture of 50:50 of Gliricidia leaves and the grass, Brachiaria miliiformis, fed to cross-bred heifers produced average live weight gains of 700 g/day.

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