Economic evaluation of alley farming of maize/beans with Erythrina poeppigiana in Costa Rica

Economic evaluation of alley farming of maize/beans with Erythrina poeppigiana 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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Bibliographic Details
Main Authors: 91 Hernández, I., 82396 Kass, D.L., 53178 Camacho, Y., 82209 Kang, B.T., 101939 Osiname, A.O., 85042 Larbi, A. eds., 2619 Alley Farming Network for Tropical Africa, Ibadan (Nigeria), 12742 International Institute of Tropical Agriculture, Ibadan (Nigeria), 12618 International Centre for Research in Agroforestry, Nairobi (Kenia), 12761 International Livestock Research Institute, Nairobi (Kenia), International Conference on Alley Farming Ibadan (Nigeria) 14-18 Set 1992
Format: biblioteca
Published: Ibadan (Nigeria) 1995
Subjects:ZEA MAYS, PHASEOLUS VULGARIS, ERYTHRINA POEPPIGIANA, CULTIVO EN CALLEJONES, ANALISIS ECONOMICO, MANTILLO DE HOJAS, APLICACION DE FERTILIZANTES, ANALISIS DE COSTOS Y BENEFICIOS, COSTA RICA,
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Summary: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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