Search Results - "marginalism"

Tolerancia al frío de Microtheca ochroloma Stål (Coleoptera: Chrysomelidae) by Serrano, Dafne

“…El crisomélido Microtheca ochroloma Stål o “yellow-margined leaf beetle” es un insecto nativo de las zonas subtropicales de Sudamérica. …”
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Efecto de la adición del complejo enzimático Multi-zyme® a la dieta de vacas en pastoreo sobre la producción de leche by Lemus, Marcela A., Mendoza B., Santa M.

“…Se determinó la rentabilidad marginal del uso de la enzima asumiendo que todos los demás gastos permanecen iguales y se encontró una utilidad adicional de $ 0.37/vaca/d en vacas de alta producción. …”
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Implementación y resultados de un programa de mejora genética en ovinos by Mueller, Joaquin Pablo, Aranguren, E.M.

“…La importancia económica se determinó como beneficio marginal, precio menos costo, por unidad de cambio en la característica. …”
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Efecto de distintas estrategias de alimentación sobre la respuesta productiva de vacas lecheras y la calidad de la leche by Salado, Eloy Eduardo

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ICAs konsumentpackade kött by Petersson, Robert

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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 by Holmann, Federico J.

“…Animal management parameters were based on farm averages from the hillsides of the Central Pacific Region of Costa Rica and the forest margins of the Amazon in Peru. Likewise, the model incorporated prices of inputs and products typical of each region. …”
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Sostenibilidad de la producción de maíz amarillo duro (Zea mays L.) con semilla certificada en el Bajo Piura, Perú by Rodríguez Valdez, Diana Elizabeth, Navarro Angeles, Oscar Fernando, Diez Matallana, Ramón Alberto, Gómez Oscorima, Raquel Margot

“…Se obtuvo un Índice de Beneficio Costo Marginal de 1.17, con 80.2% de escenarios positivos. …”
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Creole goat morphological diversity partially mirrors district-level variation in the seasonally dry forest of Piura in Peru by Haro Reyes, José Antonio, Sessarego Davila, Emmanuel Alexander, Cruz Flores, Danny Julio, Gonzales Guevara, Pablo Ross, Ruiz Chamorro, José Antonio, Cruz Luis, Juancarlos Alejandro

“…Livestock systems in marginal ecosystems such as seasonally dry forests (SDFs) face increasing sustainability challenges, yet the role of morphology in mediating animal adaptation to local environmental and management conditions remains underexplored. …”
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Compositional shifts of alpine plant communities across the high Andes. by Cuesta, F., Carilla, Julieta, Llambí, L.D., Muriel, P., Lencinas, María Vanessa, Meneses, R.I., Feeley, K.J., Pauli, H., Aguirre, N., Beck, S., Peri, Pablo Luis, Tovar, C.

“…The weak relationship with soil temperature trends could have resulted from the short study period that only marginally captures changes in vegetation through time.…”
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Climate change expected to improve digestive rate and trigger range expansion in outbreaking locusts by Youngblood, Jacob P., Cease, Arianne J., Talal, Stav, Medina, Héctor e., Rojas, Julio E., Trumper, Eduardo Victor, Angilletta Jr, Michael J., Harrison, Jon F., Copa Bazán, Fernando

“…Because all models projected a poleward range expansionunder climate change, agriculturists should consider enhanced monitoring and the management of locusts near the southern margin of the range.…”
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Drivers of agricultural land - use change in the Argentine Pampas and Chaco regions by Piquer Rodriguez, María, Butsic, V., Gartner, P., Macchi, Leandro, Baumann, Matthias, Gavier Pizarro, Gregorio Ignacio, Volante, Jose Norberto, Gasparri, Néstor Ignacio, Kuemmerle, Tobias

“…The moderate impact of profit-related factors on affecting woodland conversion rates also suggests a limited potential of economic policies that affect marginal profits (e.g., taxes or subsidies) to alter deforestation rates and patterns in major ways. …”
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The role of facultatively nectarivorous birds as pollinators of Anarthrophyllum desideratum in the Patagonian steppe: a geographical approach by Paiaro, Valeria, Cocucci, Andrea Aristides, Oliva, Gabriel Esteban, Sérsic, Alicia N.

“…We found that the species is self-compatible and that floral visitors do not contribute to fruit set in two marginal populations. Fruit set of open pollinated plants significantly differed among populations, which suggests that the species dependence on pollinators varies among sites. …”
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Improved monitoring of oriental fruit moth (Lepidoptera: Tortricidae) with terpinyl acetate plus acetic acid membrane lures by Mujica, María Valentina, Preti, Michele, Basoalto, Esteban, Cichon, Liliana, Fuentes-Contreras, Eduardo, Barros-Parada, Wilson, Krawczyk, Greg, Nunes, Marcelo Z., Walgenbach, Jim F., Hansen, Randy, Knight, Alan L.

“…The addition of pear ester to the sex pheromone lure marginally increased moth catches. The use of TA and AA together significantly increased moth catches compared with the use of only one of the two components. …”
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Tomato Abscisic Acid Stress ripening (ASR) gene family revisited by Golan, Ido, Dominguez, Pia Guadalupe, Konrad, Zvia, Shkolnik Inbar, Doron, Carrari, Fernando, Bar Zvi, Dudy

“…Tomato plants overexpressing ASR1 displayed enhanced survival rates under conditions of water stress, whereas ASR1-antisense plants displayed marginal hypersensitivity to water withholding.…”
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Monitoring oriental fruit moth and codling moth (Lepidoptera: Tortricidae) with combinations of pheromones and kairomones by Knight, Alan L., Cichon, Liliana, Lago, Jonatan, Fuentes-Contreras, Eduardo, Barros-Parada, Wilson, Hull, L., Krawczyk, Greg, Zoller, B., Hansen, Randy, Hilton, R., Basoalto, Esteban

“…The combination of the sex pheromone of both species (PH combo lure) significantly increased G. molesta and marginally decreased C. pomonella captures as compared with captures of each species with either of their sex pheromones alone. …”
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Integrated analysis of the quality of water bodies from the lower Paraná River basin with different productive uses by physicochemical and biological indicators by Peluso, Julieta, Aronzon, Carolina Mariel, Ríos de Molina, María del Carmen, Rojas, Dante Emanuel, Cristos, Diego Sebastian, Pérez Coll, Cristina Silvia

“…The Paraná River basin is one of the most important in South America and is affected by human activities that take place on its margins. In particular, the De la Cruz stream flows through an industrial pole and the Arrecifes River goes mainly through agricultural fields. …”
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Land-use change affects soil hydro-physical properties in Mollisols of semiarid Central Argentina by Fernandez, Romina, Belmonte, Valeria, Quiroga, Alberto Raul, Lobartini, Carlos, Noellemeyer, Elke

“…The objective of the present study was to describe the relationships between soil physical properties and to identify variables that determine the pore system and hydrological functions which are specifically important in drought prone semiarid marginal croplands. We compared Mollisols under natural vegetation (NV) with their agriculture (AG) pairs in the central Argentinean Dry Pampas to obtain the range of values for variables that characterize the soil pore system. …”
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Potencial agronómico, productivo, nutricional y económico de cuatro genotipos de maíz forrajero en el valle de Chancay, Perú by Maguiña Maza, Rufino Máximo, Francisco Perez, Sharon Carolyn, Pando Cárdenas, Gerardo Luis, Sessarego Dávila, Emmanuel, Chagray Ameri, Néstor Humberto, Pujada Abad, Hilario Noberto, Airahuacho Bautista, Félix Esteban

“…El objetivo de la investigación fue comparar las características agronómicas, productivas, nutricionales y económicas de cuatro genotipos de maíz forrajero: INIA 617 Chuska, M28T Marginal 28 Tropical, Atlas 777 e INIA 619 Megahíbrido, en el valle de Chancay - Perú. …”
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Comparación agroeconómica de cuatro sistemas de siembra en tomate (Lycopersicon sculentum L.) by Giraldo C., Alberto, Palacios V., Yolanda

“…Para el análisis económico se utilizaron las técnicas de presupuestos parciales y totales, el análisis marginal y la determinación de la rentabilidad de cada sistema. …”
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Kundanalys av tryckpappersförbrukare i Finland by Jerenius, Oskar

“…In order to strengthen their economic strength Holmen Paper needs to increase the market share in markets where they have the greatest profit margins. These markets are market near their production lines such as Sweden, Norway, Denmark and Finland. …”
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