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General tecniques for land preparation on Guyana costal soils
(OEA, 1978)
Este documento presenta:
-Suelos de Guyana
-Preparación de la tierra
-Descripción de operaciones de relleno
National legume and cassava programme. Situation study on legume production in Guyana
(IICA, 1978)
The project aims to determine the level of technology currently applied in the production of legumes, in particular chickpea, determine the needs and priorities of research, and finally evaluate the progress made in the ...
Push - Pull Seeder Unit Equipament for the Small Farmer
(OEA, 1978)
Este documento presenta:
-Introducción
-Figura 1
-Descripción de la unidad sembradora antes de la modificación
-Modificación
-Figura 2
-Prueba de campo
-Ventajas