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Economic evaluation of alley farming of maize/beans with Erythrina poeppigiana in Costa Rica Alley farming research and development; proceedings

by Hernández, I; Kass, D.L; Camacho, Y; Kang, B.T; Osiname, A.O; Larbi, A. eds; Alley Farming Network for Tropical Africa, Ibadan (Nigeria); International Institute of Tropical Agriculture, Ibadan (Nigeria); International Centre for Research in Agroforestry, Nairobi (Kenia); International Livestock Research Institute, Nairobi (Kenia); International Conference on Alley Farming Ibadan (Nigeria) 14-18 Set 1992.
Publisher: Ibadan (Nigeria) 1995Description: p. 472-479.Subject(s): ZEA MAYS | PHASEOLUS VULGARIS | ERYTHRINA POEPPIGIANA | CULTIVO EN CALLEJONES | ANALISIS ECONOMICO | MANTILLO DE HOJAS | APLICACION DE FERTILIZANTES | ANALISIS DE COSTOS Y BENEFICIOS | COSTA RICA | ZEA MAYS | PHASEOLUS VULGARIS | ERYTHRINA POEPPIGIANA | ECONOMIC ANALYSIS | LEAF MOULD | COST BENEFIT ANALYSIS | COSTA RICA | ZEA MAYS | PHASEOLUS VULGARIS | ERYTHRINA POEPPIGIANA | ANALYSE ECONOMIQUE | TERREAU DE FEUILLES | ANALYSE COUT AVANTAGE | COSTA RICASummary: An economic evaluation of alley cropping was carried out using data accumulated from a nine-year trial with maize and beans using mountain immortelle (Erythrina poeppigiana) with and without mineral N. Treatments without trees, using a mulch of Erythrina with and without fertilization were included for comparison. Both cost benefit and sensitivity analyses were carried out on varying costs of labor and the use of mineral N fertilizer. The results show that using the available maize varieties, even at lower opportunity cost for labor and at higher N prices, alley farming, with its serious soil degradation problems, does not currently appear to be a profitable alternative for maize and bean production in Costa Rica.
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An economic evaluation of alley cropping was carried out using data accumulated from a nine-year trial with maize and beans using mountain immortelle (Erythrina poeppigiana) with and without mineral N. Treatments without trees, using a mulch of Erythrina with and without fertilization were included for comparison. Both cost benefit and sensitivity analyses were carried out on varying costs of labor and the use of mineral N fertilizer. The results show that using the available maize varieties, even at lower opportunity cost for labor and at higher N prices, alley farming, with its serious soil degradation problems, does not currently appear to be a profitable alternative for maize and bean production in Costa Rica.

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