Now showing items 11-16 of 16
Soil enzyme activity -Dehidrogenase, ß-glucosidase, Phosphatase and Urease- under different crops
Actividad enzimática del suelo -Deshidrogenasa, β-Glucosidasa, Fosfatasa y Ureasa- bajo diferentes cultivos
The activity of 4 soil enzymes in farms under different agronomic managements and in different soil types was analyzed. The enzymes tested were phosphatase, β-glucosidase, dehydrogenase and urease. Soil samples were taken ...
Verification of dry matter content as indicator of harvest for Hass avocado fruits (Persea americana) grown in intermediate elevation production areas at Los Santos, Costa Rica
Verificación del contenido de materia seca como indicador de cosecha para aguacate (Persea americana) Cultivar Hass en zona intermedia de producción de Los Santos, Costa Rica
The objective of this research was to study whether avocado dry matter content (DMC) could be used as an appropriate harvest index in substitution of fruit oil content (OC), for Hass avocados grown in intermediate elevation ...
Supplementation with organic selenium and its effect on productive and reproductive performance in grazing dairy cows in Costa Rica
Evaluación de la suplementación con selenio orgánico y su efecto sobre el desempeño productivo y reproductivo de vacas lecheras en pastoreo en Costa Rica
The objective was to evaluate the effect of supplementation with selenized yeast, derived from a specific strain of Saccharomyces cerevisiae (CNCM I-3060), on productive and reproductive performance and on selenium ...
Foliar nutrient concentration in teak plantations at the Panama Canal watershed
Concentración foliar de nutrimentos en plantaciones de teca en la cuenca del Canal de Panamá
Foliar concentration of macro- and micronutrients in teak plantations at the Panama Canal Watershed was measured on sites classed as high, medium, and low in growth (volume.ha -1 ). For the same purpose, plantations where ...
Molecular characterization using rep-PCR of native isolates of Bacillus thuringiensis, obtained from soil samples
Caracterización molecular mediante rep-PCR de aislados nativos de Bacillus thuringiensis, obtenidos de muestras de suelo
Bacillus thuringiensis is a Gram-positive bacteria forming spores, which produces parasporal crystals of a proteic nature, toxic against various orders of insects and biodegradable and harmless to other species. This ...
Mites associated with the avocado crop (Persea americana Mill) in the Central Coast of Peru
Ácaros asociados al cultivo del aguacate (Persea americana Mill) en la Costa Central de Perú
Hass is an avocado cultivar grown in the central coastal region of Peru (Lima and Ica), with increasing economic importance, mainly to satisfy the high standards of foreign markets. This study (2010 to 2012, Central Coast), ...