In the last few years, the Honduran Foundation for Agriculture Research (FHIA) has put on the mar... more In the last few years, the Honduran Foundation for Agriculture Research (FHIA) has put on the market some hybrid cultivars for banana and plantain producing countries, these new cultivars have a high production potential and are resistant to black Sigatoka and other important pests. For these reasons, the present study evaluated the physiological and productive performance of seven promising materials, in order to offer some new alternatives to improve plantain and banana production in the village of Bituima (Cundinamarca). Four hybrids and one variety were evaluated, with local banana and plantain varieties as controls, with three repetitions using a random block design. There were significant differences in the pseudostem between the hybrids FHIA 4, FHIA 20, FHIA 21, the variety Africa 1 and the controls (plantain Dominico-Harton and banana); and in bunch weight between the variety Africa 1 and the banana. The hybrid FHIA 3 presented the largest foliar emission rate (0.13 leaves p...
The inadequate agricultural practices have been the cause of the increase of saline-sodic soils i... more The inadequate agricultural practices have been the cause of the increase of saline-sodic soils in the entire planet. Its recovery has been done mainly changing sodium by another cation, generally calcium, remedying in mechanical form and using halotolerant plants. Although these practices control the problem to a certain extent, it has not been able to make an effective recovery in these soils. This work displays as an alternative, the use of bioremediation with halophiles bacteria. The objective of the investigation was to evaluate the capacity of five species of halophiles to capture in vitro sodium ions and to design a proposal for its possible application in bioremediation of sodic and saline soils. The capture of sodium was demonstrated by comparing the initial concentration of the sodium solution without inoculating and the concentration of the same one with the bacterium inoculated through the technique of spectroscopy of atomic absorption. The bacteria that demonstrated the...
A methodological approach for the non-monetary valuation of ecosystem services in three communiti... more A methodological approach for the non-monetary valuation of ecosystem services in three communities of the Colombian Amazon Una aproximación metodológica para la valoración no monetaria de servicios ecosistémicos en tres comunidades de la Amazonia Colombiana ABSTRACT RESUMEN To conduct a non-monetary valuation of ecosystem services, this study explored combining data on the use of ecosystem resources with measuring the effort expended on agricultural activities in three communities of the lower Caqueta, Colom-bian Amazon. By measuring the energy expended by people during their principal subsistence activities, a measure of well-being was also indirectly obtained. For the three communities, the most costly ecosystem service in terms of energy expended was land in forests, which is prepared for planting with felling and clearing, with a value of 1,353 kcal per workday. This was followed by bush meat from hunting at 811 kcal per workday, fish at 682 kcal, obtaining food from the chagra (small family farming plot) at 470 kcal, collecting fruits at 380 kcal, collecting firewood at 148 kcal, and fetching water at 29 kcal. The preparation of casabe (cassava flatbread) as a cultural service has an energy cost of 386 kcal, while preparing mambe (toasted pulverized coca leaves) has a much higher cost at 808 kcal.
In the last few years, the Honduran Foundation for Agriculture Research (FHIA) has put on the mar... more In the last few years, the Honduran Foundation for Agriculture Research (FHIA) has put on the market some hybrid cultivars for banana and plantain producing countries, these new cultivars have a high production potential and are resistant to black Sigatoka and other important pests. For these reasons, the present study evaluated the physiological and productive performance of seven promising materials, in order to offer some new alternatives to improve plantain and banana production in the village of Bituima (Cundinamarca). Four hybrids and one variety were evaluated, with local banana and plantain varieties as controls, with three repetitions using a random block design. There were significant differences in the pseudostem between the hybrids FHIA 4, FHIA 20, FHIA 21, the variety Africa 1 and the controls (plantain Dominico-Harton and banana); and in bunch weight between the variety Africa 1 and the banana. The hybrid FHIA 3 presented the largest foliar emission rate (0.13 leaves p...
The inadequate agricultural practices have been the cause of the increase of saline-sodic soils i... more The inadequate agricultural practices have been the cause of the increase of saline-sodic soils in the entire planet. Its recovery has been done mainly changing sodium by another cation, generally calcium, remedying in mechanical form and using halotolerant plants. Although these practices control the problem to a certain extent, it has not been able to make an effective recovery in these soils. This work displays as an alternative, the use of bioremediation with halophiles bacteria. The objective of the investigation was to evaluate the capacity of five species of halophiles to capture in vitro sodium ions and to design a proposal for its possible application in bioremediation of sodic and saline soils. The capture of sodium was demonstrated by comparing the initial concentration of the sodium solution without inoculating and the concentration of the same one with the bacterium inoculated through the technique of spectroscopy of atomic absorption. The bacteria that demonstrated the...
A methodological approach for the non-monetary valuation of ecosystem services in three communiti... more A methodological approach for the non-monetary valuation of ecosystem services in three communities of the Colombian Amazon Una aproximación metodológica para la valoración no monetaria de servicios ecosistémicos en tres comunidades de la Amazonia Colombiana ABSTRACT RESUMEN To conduct a non-monetary valuation of ecosystem services, this study explored combining data on the use of ecosystem resources with measuring the effort expended on agricultural activities in three communities of the lower Caqueta, Colom-bian Amazon. By measuring the energy expended by people during their principal subsistence activities, a measure of well-being was also indirectly obtained. For the three communities, the most costly ecosystem service in terms of energy expended was land in forests, which is prepared for planting with felling and clearing, with a value of 1,353 kcal per workday. This was followed by bush meat from hunting at 811 kcal per workday, fish at 682 kcal, obtaining food from the chagra (small family farming plot) at 470 kcal, collecting fruits at 380 kcal, collecting firewood at 148 kcal, and fetching water at 29 kcal. The preparation of casabe (cassava flatbread) as a cultural service has an energy cost of 386 kcal, while preparing mambe (toasted pulverized coca leaves) has a much higher cost at 808 kcal.
Uploads
Papers