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Rendimiento y aprovechamiento de dos intensidades de raleo selectivo en Eucalyptus deglupta BL en Turrialba, Costa Rica
(1983)
El presente estudio se realizó en una plantación de Eucalyptus deglupta Bl. en Turrialba, Costa Rica. Los objetivos principales fueron determinar el rendimiento de esta especie a los 3.5 - 4.5 años de edad, cuantificar y ...
Validación de tecnología en control de malezas para pequeños agricultores: análisis de eficiencia económica relativa
(CATIE, Turrialba (Costa Rica), 1983)
Leguminous trees for shade
(CATIE, Turrialba (Costa Rica). Dept. de Recursos Naturales Renovables, 1983)
Use of leguminous trees to provide shade, especially in perennial crops, would appear to be an ancient agricultural practice, probably coinciding with the domestication of perennials such as tea, coffee and cocoa. Leguminous ...
Efecto de diferentes poblaciones de maíz (Zea mays) en la producción de raíces de yuca (Manihot esculenta) al cultivarlos en asocio. I. Aspectos agronómicos
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-04)
Maize (cv Tit-weft PB-C7) was intercropped with cassava (cv. Valencia) to assess the effect of different maize populations on cassava root yield with two levels of fertilization.
The experiment was conducted at Turrialba ...
Propagación vegetativa in vitro de pejibaye (Bactris gasipaes H.B.K.)
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-04)
Clonal propagation of pejibaye palm (Bactris gasipaes H. B. K.) was obtained by calhis culturing from shoot apices of young filed-grown plantlets on a modified Murashige and Skoog medium. Callus was induced from cultured ...
Fertilización potásica de papa (Solanum tuberosum L.) en cultivo bajo riego
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-01)
The objective of this research was to study the effect of potassium fertilization on potato.
During October 1979 — March 1980 measurements of yield, tuber quality and starch content were made in a field experiment on ...
Determinación del potencial agroclimático para la producción de caña de azúcar (Saccharum officinarum L.) en Costa Rica
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-01)
The agroclimatic potential of sugar cane is defined by estimating a production function for dry matter, performing a rainfall frequential analysis, and calculating a climatic ripening index. This requires the use of data ...
Rendimiento de pasto llorón, Eragrostis curvula (Nees) cv. Ermelo, en función de algunas propiedades edáficas
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-04)
The relationship between the yield of weeping lovegrass and some edaphic properties of 18 soils in a large area which includes the districts of Bahia Blanca, Villarino, Than and Saavedra in the province of Buenos Aires and ...
Influencia de algunos factores meteorológicos en el consumo de agua por transpiración de Nothofagus obliqua (Mirb) Oerst, y Nothofagus dombeyi (Mirb) Oerst
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-04)
The daily and seasonal variations of water consumption by transpiration and the influence of meteorological parameters on the transpiration intensity were studied in two species of the Fagaceas, Nothofagus obliqua and ...