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Evaluation of plant species for use in the control of acid sulfated soils in Paipa, BoyacáEvaluación de especies vegetales para el manejo de la acidez en suelos sulfatados ácidos de Paipa, Boyacá
(Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2014)
Acid sulfated soils are characterized by high amounts of iron and sulfur, which in presence of air are oxidized and form sulfuric horizons extremely acidic, generating environmental changes ranging from water pollution to problems associated with fertility and crop production, among others. This research was conducted in order to identify suitable plant species to control the acidity of these soils in the town of Paipa, ...
Reproductive phenology, floral biology and flower visitors in mango (Mangifera indica L.) crop Hilacha and Tommy Atkins cultivars in the Upper Magdalena Valley (Colombia)Fenología reproductiva, biología floral y visitantes florales en los cultivares de mango (Mangifera indica L.) Hilacha y Tommy Atkins en el valle del alto Magdalena (Colombia).
(Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2010)
In order to advance the knowledge of the mango's reproductive biology in tropical environmental conditions; phenological development, morphological characterization, anthesis, grain pollen description and floral visitors were assessed in the mango cultivars Hilacha and Tommy Atkins in the Upper Magdalena Valley region (Colombia). Results showed that these cultivars did not differ in their phenological development from ...
Methodology for the disinfection and germination of spores and fragments of roots inoculated with Glomus sp. (GEV02) for use under in vitro conditionsMetodología para la desinfección y germinación de esporas y fragmentos de raíces micorrizados con Glomus sp. (GEV02) para su uso bajo condiciones in vitro
(Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2011)
Surface disinfection and germination of propagules, used in inoculants based on arbuscular mycorrhizal fungi (AMF), are a requirement of utmost importance for the successful establishment of symbiosis under in vitro conditions. This study assessed a protocol to establish a method of disinfection and germination of spores and root fragments with vesicles of the AMF Glomus sp. (GEV02) under in vitro conditions. The Glomus ...
Dancy mandarin: a new alternative for citrus growing in the piedmont plains of ColombiaMandarina Dancy: una nueva alternativa para la citricultura
(Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2015)
The major citrus production of the world are located between 20-40 degrees north and south latitude. In these conditions the mandarins get the best internal and external qualities.‘Arrayana’ is the main mandarin cultivated in Colombia tropical lowlands (around 04° N). This variety is characterized by a high concentration of the harvest in december and january because it has only one principal bloom in the year (two ...
Indicators of Physical Soil Quality of the Cereal Producing Andean Area of the Department of Nariño, ColombiaIndicadores de calidad física del suelo de la zona cerealera andina del departamento de Nariño, ColombiaIndicadores de qualidade física do solo da zona cerealífera andina do departamento de Nariño, Colômbia
(Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2016)
With the purpose of finding changes in some of the indicators of soil physical quality, in the Andean cereal growing areas of Nariño, Colombia, the effect of time of use in different systems and outstanding was evaluated. The results showed that the increase in the labour labor intensity of generated using negative changes in some of the water and volumetric indicators. Available water decreased with at the mentioned ...
Development and evaluation of an alternative culture medium for mass cultivation of Azospirillum brasilense C16 using sequential statistical designsDesarrollo y evaluación de un medio de cultivo alternativo para la multiplicación de Azospirillum brasilense C16 mediante diseños estadísticos secuenciados
(Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2013)
For mass plant growth-promoting inoculant production, a high-yield culture medium is fundamental. Sequential application of statistical designs was used to optimize Azospirillum brasilense C16 biomass production. Six nutritional (glycerol, glutamate, mannitol, citric acid, yeast extract and K2HPO4 3H2O) and three mineral sources (MgSO4 7H2O, FeCl3 and NaCl) were evaluated using five statistical experiments Placket-Burman, ...
Phytosanitary residuality in tomato and cape gooseberry grown in Quindío (Colombia)Residualidad de fitosanitarios en tomate y uchuva cultivados en Quindío (Colombia)
(Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2017)
In this study, the residuality of organophosphorus (op) and organochlorinated (oc) pesticides in fruits of two Solanaceae species which are commonly consumed in the daily diet by the population of Quindío, Colombia: tomato (Solanum lycopersicum L.) from regional crops, and cape gooseberry (Physalis peruviana L.) obtained from supermarkets. In order to evaluate the quality in which the fruit is commercialized, physicochemical ...
Effect of cutting height on forage production of Brachiaria sp. in the piedmont Plains of ColombiaEfecto de alturas de corte sobre la producción de forraje de Brachiaria sp. en el piedemonte Llanero de Colombia
(Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2011)
To determine the effect of cutting height on forage production of the grass species Brachiaria decumbens, Brachiaria humidicola, Brachiaria dictyoneura, and Brachiaria brizantha this experiment was carried out at Corpoica’s La Libertad Research Center (Villavicencio, Colombia), under typical conditions found in the piedmont region heights were evaluated 0, 5, 10 and 20 cm in pastures B. decumbens, B. humidicola, B. ...
Simulation arrangements cocoa agroforestry as a diagnosis and planning strategy for producersSimulación de arreglos agroforestales de cacao como una estrategia de diagnóstico y planificación para productores
(Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2013)
In tropical Latin America, agroforestry systems (AFSs) with cacao and coffee are the most common and cover about 17.7 million hectares; and about 70% of cacao production comes from small farmers. As a strategy for performing diagnosis in cacao agroforestry arrangements, simulations were made with SExI-FS® to identify interactions and propose alternative management for agroforestry arrangement structures, given the key ...
Social and financial capital in cattle technology adoption for high elevation Andean rural areas in ColombiaCapital social y capital financiero en la adopción de tecnologías ganaderas en zonas rurales altoandinas de Colombia
(Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2013)
Technology adoption has been discussed as an alternative to strengthen rural development and solving the problems of food production in the world. However,is a decision influenced by multiple factors, which promote or not its implementation. The objective of this investigation was to establish which aspects of social and financial capital influence the adoption of technologies in rural areas where farmers practice the ...