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Evaluación agronómica de cinco variedades de lechuga (Lactuca sativa L.) en tres ciclos de siembra consecutivos en San Miguel de la Tigra, San Carlos, Alajuela, C. R.
(Instituto Tecnológico de Costa Rica, 2015)
Due to that the area of San Carlos is highly touristic and therefore demandant of horticultural products, among them the lettuce. In the absence of knowledge about varieties that will produce in open field under the ...
Comportamiento agronómico de Capsicum annuum L., Lycopersicon esculentum M. y Cucumis melo L. bajo cultivo protegido hidropónico utilizando la solución universal de Steiner
(Instituto Tecnológico de Costa Rica, 2015)
Three horticultural crops were grown under greenhouse and hydroponic conditions using Steiner‟s Universal Nutrient Solution (1984) in the humid tropic San Carlos area, Costa Rica, on November 2013 and May 2014. Using the ...
Estudio de la etiología de la necrosis foliar (Chasparria) en Cycas revoluta Thunb y evaluación de estrategias para el manejo de la enfermedad
(Instituto Tecnológico de Costa Rica, 2015)
The following investigation was conducted with the objective of developing strategies to manage the foliar necrosis of cycas with plan knowledge and the study of the etiology of the disease. The investigation was divided ...
Determinación de la eficacia del ácido giberélico (Progibb 40wg)sobre el rendimiento y la calidad de la caña de azúcar (Saccharum spp.) var. NA 56-42 en Liberia, Guanacaste, Costa Rica
(Instituto Tecnológico de Costa Rica, 2015)
Research was conducted at the Central Azucarera Tempisque S.A (CATSA) in Guardia Liberia, Costa Rica, in order to evaluate the effectiveness of gibberellic acid on improving the quality and yield of cultivation of sugarcane ...
Evaluación bioeconómica de la suplementación con pellets de stylosanthes quianensis sobre la producción y constituyentes de la leche en vacas en pastoreo en la Zona Norte de Costa Rica
(Instituto Tecnológico de Costa Rica, 2015)
This work evaluate the effect of supplementation with two concentrated pellets of
Stylosanthes guianensis (Legumix Premium and Supplement Alpha) versus two
commercial concentrates (Vap-Feed and Predilecta) over the milk ...
Metodologías de diagnóstico temprano de la enfermedad "Cuero de sapo" en yuca (Manihot esculenta Crantz)
(Instituto Tecnológico de Costa Rica, 2015)
This study was aimed at evaluating two methods of diagnosing the cassava "frogskin" disease (CFSD) in cassava stakes. This was achieved by evaluating: (1) the presence of phytoplasma-like structures using fluorescent ...
Calibración de dos métodos de diagnóstico de la fertilidad de suelos cultivados con yuca (Manihot esculenta Crantz)en el trópico húmedo de Costa Rica
(Instituto Tecnológico de Costa Rica, 2015)
The main objective of this study was to calibrate diagnostic methods of soil
fertility KCl-modified Olsen and Mehlich 3, soils cultivated with cassava (Manihot
esculenta Crantz).
12 lots located in the humid tropics of ...
Evaluación del valor nutricional del ensilaje de residuos de la cosecha de camote (Ipomoea batatas (L)).
(Instituto Tecnológico de Costa Rica, 2015)
The present work aimed to evaluate the use of chopped harvest residues of sweet potatoes that are unused commercial and conventionally (foliage and tubers of third grade, i.e. residues) by means of the technique of ...