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Soil science in Panama, classification, fertility and conservation.
(Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba (Costa Rica)., 1978)
Los recursos genéticos de las plantas cultivadas de América Central
(Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Turrialba (Costa Rica). GTZ, 1979)
Soil science in Nicaragua, classification, fertility and conservation.
(CATIE, Turrialba (Costa Rica), 1978)
Concentrated action module MAC for El Salvador; a proposal submitted to the European Economic Community
(CATIE, Turrialba (Costa Rica), 1979)
The goal of the present project is to improve the well-being of rural people of the Department of Tejutla, Republic of El Salvador. The specific actions to achieve the goal are: to increase the knowledge of small farms ...
General review of a strategy of methodology for area specific agricultural research
(CATIE, Turrialba (Costa Rica). Programa de Cutlivos Anuales, 1979)
Experimental plantings of Araucaria spp. in East Africa and Costa Rica
(International Union of Forestry Research Organizations (IUFRO) | CATIE, Turrialba (Costa Rica), 1979)
Cropping system research in semi-arid regions of Central America; (a proposal)
(Centro Agronómico Tropical de Investigación Y Enseñanza (CATIE), Turrialba (Costa Rica). Programa de Cultivos Anuales, 1978)
Department of forest sciences CATIE, Costa Rica.
(Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba (Costa Rica)., 1977)
Proposed letter of understanding between CENTA and CATIE on concentrated action modules (MAC)
(CATIE, Turrialba (Costa Rica), 1979)
Provenance trial of Pinus caribaea: remeasurement 1978, age 5 years
(Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba (Costa Rica), 1978)