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Browsing Revista Facultad Nacional de Agronomía Medellín by Subject "63 Agricultura y tecnologías relacionadas / Agriculture"
Now showing items 21-40 of 62
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Determination of predominant soluble salts in soils of the irrigation district Alto Chicamocha of Boyacá
In Boyacá, the Alto Chicamocha irrigation and drainage district (DRACH, by its initials in Spanish) is the department’s main agricultural production unit, covering an area of 8016.78 ha and due to the natural conditions ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Development of mango (Mangifera indica L.) energy drinks
The effect of two hydrocolloids, pectin and carboxymethyl cellulose (CMC), was evaluated in mango beverage stability (Mangifera indica L.) formulated and developed with caffeine at a concentration of 30 mg/100 mL. The ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Diaspididae on Citrus spp. (Rutaceae) from Colombia: New records and a taxonomic key to their identification
In this manuscript Aonidiella comperei is reported for the first time in Colombia; The specimens were found associated with branches, leaves and fruits of Citrus x latifolia (Rutaceae) in the department of Tolima. Also we ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Dietary effects on pH, temperature and ruminal methane emission by Holstein cows. Case study
The objective of this research was to estimate the production of ruminal methane in different prandial periods in fistulated Holstein adult cows and to evaluate the effect on methane production due todifferent diets commonly ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Economic viability of muskmelon cultivation in different planting spacing in Brazil central region
Production diversification is one way to avoid losses due to market variations. Melons are among the species used for this purpose, however, little information is a limiting factor to production stimulation. The objective ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Effect of a low rank coal inoculated with coal solubilizing bacteria for the rehabilitation of a saline-sodic soil in field conditions
The aim of this research was to assessing changes on some chemical, biological and physical properties of a Salidic Calciustolls, in response enhanced by treatment with low rank coal (LRC) and coal solubilizing bacteria ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Effect of cover crops residues on crambe cultivation
Although the crambe is commercially exploited in Brazil, there is a demand for studies that allow the improvement of the techniques involved in its cultivation. Planting on residues of different species can provide greater ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Effect of drying methods on physical and chemical properties of Ilex guayusa leaves
The influence of air-drying (AD), convection oven (CO) and solar drying (SOD) on the physical and chemical properties of Ilex guayusa leaves is discussed. Total ash (%), acid-insoluble ash (%), watersoluble ash (%), residual ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Effect of magnesium silicate in cv. ‘ICA Cerinza’ common bean (Phaseolus vulgaris L.) under field conditions
The bean crop is very important in Colombia, being generator of income and employment; and furthermore very importance within the diet of the population due to its high protein content. Currently, the bean production is ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Effect of nitrogen, phosphorus and potassium fertilization on the yield of broccoli cultivars
One of the causes of overusing compound and simple fertilizers in “Oriente Antioqueño” region is the low offer of research articles on fertilization in broccoli. Two experiments were carried out atmunicipality of Rionegro, ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Effect of post-harvest forestry residue management practices on the diversity of epigeal coleopterans
The aim of this work was to study the effect of post-harvest forestry residue management practices on the epigeal coleopterans diversity and abundance in a 1-yr old Pinus radiata plantation. Approximately 25-yr old P. ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Effects of land-use change on Nitisols properties in a tropical climate
Land use change, especially conversion of native forests to cultivated land, exerts an impact on the physical, chemical and hydrophysical soils properties. To quantify and better understand responses, this study was aimed ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Effects of light intensity on the morphology and CAM photosynthesis of Vanilla planifolia Andrews
Vanilla planifolia is a neotropical orchid, whose fruits produce the natural vanilla, a fundamental ingredient for the food and cosmetic industry. Because of its importance in the world market, it is cultivated in many ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Emission and fixation of greenhouse gases in potential specialty coffee production zones in Antioquia -Colombia
The aim of this first part of the study was to estimate the greenhouse gas (GHG) emission and fixation balance in specialty coffee production in the Department of Antioquia, Colombia. The results show that an average of ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Estimates of parameters, prediction and selection of an oil palm population in Ecuador
Was used the REML/BLUP method to estimate the genetic parameters, select the best plants of Dura x Dura full-sib families, study the trait correlations, group families by multivariate similarity and to determine the number ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Evaluation of bioactive compounds with functional interest from yellow pitahaya (Selenicereus megalanthus Haw)
Yellow Pitahaya (YP) is an exotic fruit, cataloged by Colombia International Corporation as a promising fruit to export, due to its sensorial and organoleptic attributes. In addition, this fruit has been associated with ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Evaluation of TRMM satellite rainfall estimates (algorithms 3B42 V7 and RT) over the Santo Antônio county (Goiás, Brazil)
The rainfall has a direct influence on the agricultural productivity, being indispensable the knowledge of its spatiotemporal behavior in order to establish trends that will assist in the management of water resources, ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Fitting lactation curves in a Colombian Holstein herd using nonlinear models
Statistical characterization of dairy cows lactation curves allows prediction of total milk yield from one or a few test-day records. The objectives were the characterization of milk production in a Colombian Holstein herd ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Fumigant activity of Schinus terebinthifolius essential oil and its selected constituents against Rhyzopertha dominica
The aim of the present study was to evaluate the insecticidal potential of the essential oil from ripened and unripened fruit of the plant Schinus terebinthifolius and compare the toxic effects of artificial blends made ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín. -
Genetic analysis of morpho-physiological traits and yield components in F2 partial diallel crosses of bread wheat (Triticum aestivum L.)
Wheat breeding in the semi-arid region of Algeria aims to develop new cultivars combining high productivity and good abiotic stress tolerance. Therefore, it is essential to understand the mode of gene effects implicated ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín.
