Growth and yield of Gliricidia sepioum in association with grasses, ground legumes and trees
A three strata forage experiment has been carried out for 17 months to study the association of grass and gound legumes (1st stratum), the shrubby legumes Leucaena leucocephala and Gliricidia sepium (Jacq) Walp. (2nd stratum) and three tree species (3rd stratum) in this system. Thirty-two plots, each with 2500 m2 size, were randomly allocated in flat (13 plots), sloping (10 plots) and rolling land with both flat and sloping sections (9 plots). Each plot was divided into a 1600 metros cuadrados core area planted with a cash crop and a 900 metros cuadrados peripheral area with a circumference of 200 m. Peripheral areas were divided into 20 lots of 45 metros cuadrados and planted with grass and ground legumes. The perimeter was planted with trees at 5 m spacing. Shrubby legumes were planted at a 10 cm spacing between trees. Leaf and branch yields of Gliricidia in association with grass and legume were 31-35 por ciento and 33-50 por ciento, resp., more than those in association with trees. Effect of individual grass (Cenchrus and Panicum), legume (Graham stylo, Verano stylo, and Centrosena) and tree (Ficus, Lannea and Hibiscus) species depended on the season. Root nodule formations were affected (P<0,05) by the associations, but leaf chemical compositions were not. During the wet season, leaf yields on the flat and rolling plots were 32 and 23 porcent higher, resp., than yields on sloping plots. Leaf chemical composition was similar.
Main Authors: | 63862 DUTRA, S., 99464 NITIS, I.M., 84765 LANA, K., 122148 SUARNA, M., 122274 SUKANTEN, W., 131893 Withington, D., 72055 Glover, N., 51102 Brewbaker, J.L., 39486 (eds.), 15141 Nitrogen Fixing Tree Association, Hawaii (EUA), CATIE - Centro Agronómico Tropical de Investigación y Enseñanza Turrialba, Costa Rica autor/a 3977 |
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Format: | biblioteca |
Published: |
Honolulu, Hawaii (EUA), NFTA, 1987
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Subjects: | ARBOLES CON PASTO, ALIMENTOS PARA ANIMALES, CRECIMIENTO, RENDIMIENTO, GLIRICIDIA SEPIUM, LEUCAENA LEUCOCEPHALA, GRAMINEAE, |
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