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Mostrando ítems 11-16 de 16
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
(2014-07-04)
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), ...
Body condition assessment in a grazing Jersey cows herd in the highlands of Cartago. Variations during the productive cycle
Evaluación de la condición corporal en un hato de vacas Jersey en pastoreo en la zona alta de Cartago. Variaciones durante el ciclo productivo
(2014-07-04)
The aim of this research was to carry out a body condition score (BCS) observational study in a commercial grazing Jersey herd in Cartago, Costa Rica (9°55` N, 83°51` W, 2350 m of altitude). The study comprised 5864 BCS ...
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
(2014-07-04)
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 ...
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
(2014-07-04)
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 ...
Agronomic and nutritional evaluation of african star grass-based pastures (Cynodon nlemfuensis) in the region of Monteverde, Puntarenas, Costa Rica. II. Nutritional Value
Evaluación agronómica y nutricional del pasto estrella africana (Cynodon nlemfuensis) en la zona de Monteverde, Puntarenas, Costa Rica. II. Valor nutricional
(2014-07-04)
The nutritional value of african star grass (Cynodon nlemfuensis)-based pastures was analyzed in 4 commercial dairy farms in the Monteverde region (latitude 10°20’, longitude 84°50’, 800 to 1200 masl), every other month ...
Clay minerals identified in soils of Costa Rica from 1931 to 2014: I. History, methods of analyses, and mayor clay types found in volcanic ash derived soils
Arcillas identificadas en suelos de Costa Rica a nivel generalizado durante el período 1931-2014: I. historia, metodología de análisis y mineralogía de arcillas en suelos derivados de cenizas volcánicas
(2014-07-04)
Findings in a total of 84 research papers identifying clay minerals on 520 soil samples of Costa Rica are summarized. This review emphasizes on the clay minerals described in the topsoil samples, although clay minerals in ...