Resultados de búsqueda - "linear programming"

Simulation of costs and benefits of supplementing milking cows with legumes during the dry season in two hillside regions of Nicaragua por Holmann, Federico J., Tiemann, Tassilo T.

“…To calculate the economic return to the investment in alternative forages, a simulation model that applies optimization techniques through linear programming, implemented as a spreadsheet, was used to perform an ex ante evaluation of the costs and benefits of different land use alternatives and of interactions between technological components and biological productivity. …”
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Economic evaluation of current and alternative dual-purpose cattle systems for smallholder farms in the central Peruvian highlands por Bartl, K., Mayer, A.C., Gómez, C.A., Muñoz, E., Hess, H.D., Holmann, Federico J.

“…The data from the survey and the results of the nutritional analyses of 74 feed samples were introduced into a model that applied linear programming techniques in order to estimate the farm household income under the current production systems and evaluate the economic impact of improved forage varieties for hay production. …”
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The Neguev revisited: a study of the agricultural changes between 1987 and 1996 in the Neguev settlement, Costa Rica por Kuiper, M.

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Modelaje de opciones silvopastoriles sostenibles para el sistema ganadero de doble propósito en el trópico húmedo por Ibrahim, Muhammad Akbar, Botero, Javier, Louman, Bastiaan, Andrade, Hernán, Camargo García, Juan C.

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Proteingödsla foderspannmål, lönsamt eller ej? por Bertilsson, Johan, Olsson, Erik

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Ex-ante evaluation of forage technologies in Peru, Costa Rica, and Nicaragua por Holmann, Federico J.

“…Case studies, involving farmers participating in the CIAT-led Tropileche Consortia convened by ILRI, were conducted in the forest margins of Pucallpa (Peru) and in the hillsides of the dry tropics of Esparza (Costa Rica) and Esquipulas (Nicaragua). A linear programming farm model developed by CIAT to maximize income was used for this analysis. …”
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Ex-ante analysis of new forage alternatives for farms with dual-purpose cattle in Peru, Costa Rica, and Nicaragua por Holmann, Federico J.

“…Case studies, involving farmers participating in the CIAT-led Tropileche Consortia convened by ILRI, were conducted in the forest margins of Pucallpa (Peru) and in the hillsides of the dry tropics of Esparza (Costa Rica) and Esquipulas (Nicaragua). A linear programming farm model developed by CIAT to maximize income was used for this analysis. …”
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Análisis y evaluación de estrategias tecnológicas y productivas de los sistemas de producción ganaderos predominantes en el centro-sur de Corrientes por Calvi, Mariana

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Modelación del uso de la tierra para orientar el desarrollo territorial en la subcuenca del río Copán, Honduras por Guillén, Rovell, Faustino, Jorge, Velásquez, Sergio, Solís, Hernán

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Flödesoptimering av timmer med hänsyn till sågverkens lönsamhet - en fallstudie av Berg Timber AB por Svahn, Kenny

Recirculation of phosphorus por Sellberg, Linnéa

“…This study compares the effect of four processes using linear programming to estimate the lowest cost operation, with Kungsängsverket as a case plant. …”
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Rotación óptima de cultivos y de uso de recursos en el sistema agroforestal de yerba mate (Ilex paraguariensis) por Krishnamurthy, L., Montoya Vilcahuamán, Luciano Javier, Musálem, Miguel Angel, Serrano Gálvez, Enrique, Velázquez Martínez, Alejandro

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Simulering av kombinerade rundvirkestransporter och kartläggning av dess effekter på servicedimensioner por Gustavsson, Oskar

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Farm typology incorporating actual land use: a low-data input approach for the Guanacaste province, Costa Rica por Wijffels, M.

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Planering av vägupprustning med hjälp av GIS och optimering : en fallstudie på Holmen Skog por Westberg, Johan

“…For each level, a linear programming problem was formulated. The top level included the entire area, and the lower level was applied for each of a number of subareas. …”

Profitability and competitiveness of grain handling at farm level por Lundberg, Axel, Magnusson, Ludvig

“…A mixed integer linear programming model is developed in order to find the most profitable strategy. …”
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El uso de modelos de simulación como herramienta para la toma de decisiones en la promoción de nuevas alternativas forrajeras: El caso de Costa Rica y Perú por Holmann, Federico J.

“…Objectives of the study were to show the benefits that can be obtained from using simulation models using as a case study the impact obtained from investing in improved forage alternatives on the cost of producing milk and its implications on technology adoption and land use sustainability in Costa Rica and Peru. The linear programming income maximization farm model used was developed by CATIE in Costa Rica and later expanded by CIAT using a electronic sheet in Excel. …”
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Förutsättningar för ökad biodrivmedelsproduktion i östra Mellansverige por Lundgren, Anna

“…An optimization based on linear programming was used to determine the design of the fuel production with respect to different parameters: amount of fuel, energy efficiency, cost-effectiveness and regional growth. …”
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Fading opportunities for mitigating agriculture-environment trade-offs in a south American deforestation hotspot por Law, Elizabeth A., Macchi, Leandro, Baumann, Mathias, Decarre, Julieta, Gavier Pizarro, Gregorio Ignacio, Levers, Christian, Mastrangelo, Matías Enrique, Murray, Francisco, Müller, Daniel, Piquer‐Rodriguez, María, Torres, Ricardo, Wilson, Kerrie A., Kuemmerle, Tobias

“…Using a spatial optimization framework based on linear programming, we develop a landscape-scale possibility frontier describing trade-offs between agricultural profit, biodiversity, and carbon stock for the Argentinean Dry Chaco, a global deforestation hotspot. …”
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Influencia de los incentivos económicos en la reducción de contaminantes de los beneficios de café en la cuenca del Río Frío, Honduras por González López, J.M.

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