Search
Now showing items 21-30 of 35
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 ...
Una metodología para la estimación de probabilidades de lluvia por procedimientos cuantitativos, en puntos carentes de registros, sin el análisis espacial tradicional. Estudio de un caso: Estado Falcón, Venezuela
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-04)
This article includes a method to estimate rain probabilities in points in Falcon State, Venezuela, defined by its geographical coordinates using a desk micro-computer.
The steps are as follows. selection of the best fit ...
Rendimiento y aprovechamiento de dos intensidades de raleo selectivo en Eucalyptus deglupta BL en Turrialba, Costa Rica
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-04)
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 ...
Zonificación agroecológica para el cultivo de caña de azúcar (Saccharum spp.) en Costa Rica
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-04)
This paper establishes agro-ecological zones for sugar cane crop in Costa Rica. Definitions of zoning units are based on the combination of three indexes: potential yield, climatic conditions needed for saccharose accumulation, ...
Relación entre densidad poblacional de la babosa Vaginulus plebeius y el daño en frijol común, Phaseolus vulgaris
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-04)
Direct nighttime observations and baited pit fall traps were used to determine population densities of active slugs, Vaginulus plebeius at various distances from a source of infestation. These observations were related to ...
Intercambio P-OH en andosoles
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-04)
The release of OH groups and phosphate fixation on andosols soil samples were compared It is concluded that as the degree of wheathering increase, OH groups other than those of single coordination are involved in the ...
Resíduos, degradación y persistencia del fungicida maneb en patatas, en Costa Rica
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-01)
Residues of the fungicide maneb (manganese-1,2-ethylen-bisdithiocarbamate) were analyzed by the carbondisulfide evolution method in samples of potatoes, potato leaves and soil from a commercial crop located in Llano Grande ...
Evaluación al sacrificio en cabritos provenientes de los sistemas de crianza intensivo y extensivo
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-04)
In order to evaluate carcass yield of goats, two groups of kids from 8 to 9 months old were slaughtered and weighed. Fifteen animals had been raised with an intensive feeding system using sugar cane pods supplemented with ...