Resultados de búsqueda - Ostia~

International waters: Identifying basins at risk por Wolf, Aaron T., Yoffe, Shira B., Giordano, Mark

“…By taking our parameters of rapid change as indicators-internationalized basins and major planned projects in hostile and/or institution-less basins-we are able to identify the basins with settings which suggest the potential for political stresses in the coming five to ten years. …”
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Food safety policy in 9 African countries por Grace, Delia, Kang'ethe, Erastus K., Bonfoh, Bassirou, Roesel, Kristina, Makita, K.

“…Introduction Millions of smallholder farmers, many of them women, supply the rapidly growing markets for livestock and fish products in Africa and Asia. In sub Saharan Africa, more than 80% of animal products are sold through informal markets, which lack structured sanitary inspection and are often of ambiguous legal position. …”
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Crecimiento predestete de terneros Criollo argentinos por Holgado, Fernando Daniel, Ortega Masague, Maria Florencia, Rabasa, Alicia E., Cantarella, Gabriela Eugenia

“…En el Noroeste Argentino la cría bovina se basa en la utilización de gramíneas perennes C4 de crecimiento estival, niveles elevados de fibra y moderada digestibilidad. …”
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Fertilización biológica en Trigo : el objetivo de este ensayo fue cuantificar el efecto de la aplicación de organismos fijadores de nitrógeno sobre el rendimiento y sus componentes por Jecke, Fernando Ariel, Mousegne, Fernando Jorge, Fernández, Carlos

“…La fijación biológica del N es la forma más importante de incorporación del mismo a la superficie de la tierra. Se estima que del total de N ingresado solo el 10% proviene de precipitación atmosférica (tormentas eléctricas) y el resto es por proceso biológico. …”
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La trashumancia en los valles calingastinos. San Juan. Argentina. por Degiorgis, Alejandro

“…En estos extensos valles, ubicados entre los 2400 y 3700 msnm, abarcando superficies superiores a 600.000 ha son los campos de pastoreo durante la época estival del ganado chileno, actividad conocida como “veranadas”. …”
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Vegetation type mapping in Southern Patagonia and its relationship with ecosystem services, soil carbon stock, and biodiversity por Peri, Pablo Luis, Gaitan, Juan José, Diaz, Boris Gaston, Almonacid, Leandro, Morales, Cristian Gabriel, Ferrer, Francisco, Lasagno, Romina Gisele, Rodríguez‑Souilla, Julián, Martínez Pastur, Guillermo José

“…Vegetation Type (VT) mapping using Optical Earth observation data is essential for the management and conservation of natural resources, as well as for the evaluation of the supply of provisioning ecosystem services (ESs), the maintenance of ecosystem functions, and the conservation of biodiversity in anthropized environments. …”
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Análisis de napas freáticas del sudeste de la Provincia de Córdoba por Magra, Maria Sofia, Blanco, Paola, Salafia, Analía Grisel, Videla Mensegue, Horacio Rogelio

“…El valor promedio de la profundidad de la freática fue 2.05 m con un marcado momento de acenso al final del período estival que alcanza un valor mínimo promedio de 1.94 m. …”
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Effect of two broad-spectrum fungicides on the microbial communities of a soil subjected to different degrees of water erosion por Verdenelli, Romina A., Dominchin, María F., Barbero, Florencia Magali, Perez Brandan, Carolina, Aoki, Antonio, Vargas Gil, Silvina, Meriles, José Manuel

“…Phospholipid fatty acid (PLFA) analysis, soil enzyme activities, and microbial abundances estimated by quantitative real-time PCR (qPCR) were used to evaluate the impact of carbendazim and iprodione fungicides applied at three dosages on microbial community structure and enzyme activities. …”
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N Stress Alleviation in Crops—A System Approach Analysing Residual N From Winter Crops in a Late-Maize-Wheat Sequence por Biassoni, María Micaela, Agosti, Maria Belén, Kehoe, Esteban, Enrico, Juan Martin, Gutierrez Boem, Flavio Hernán, Salvagiotti, Fernando

“…An area of late-maize that was not fertilised with N within each previous WC was used to evaluate the response to N fertilisation in the subsequent wheat crop. Indigenous N was estimated by using N uptake in the non-N-fertilised treatments. …”
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Monitoreo de la vegetación en el Departamento Pichi Mahuida de Río Negro por Devesa, Antonia, Marinzalta, Mauro Andres

“…El departamento de Pichi Mahuida está clasificado como monte oriental o de transición donde se desarrolla la ganadería, principalmente bovina. …”
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Carbon footprint of maize produced in Argentina por Bongiovanni, Rodolfo, Tuninetti, Leticia, Vigneau, Pedro, Gayo, Sofía

“…In addition, when the use of no-tillage and cover crops was considered, an additional CFP decrease of 2 kg CO2eq/ha was estimated, resulting in 1,097 kg CO2eq/ha and 0.156 kg CO2eq/kg. …”
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The role of healthy wetlands in mitigating volcanic tephra impacts in Northern Patagonia por Enriquez, Andrea Soledad, Fernandez, Manuela Teresa, Umaña, Fernando, Cremona, Maria Victoria

“…The regional amount of available forage in the aftermath of the eruption was estimated through field assessments of aerial net primary production (ANPP); this was conducted during the first peak of plant growth after the PCCVC volcanic event in 5 m x 5 m paired plots, both with and without manually removed tephra a month after the event. …”
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Crop and fallow contribution to N2O emissions of contrasting crop sequences por Gregorutti, Viviana Carolina, Novelli, Leonardo Esteban, Cuatrin, Alejandra, Benedit, Beltrán G., Caviglia, Octavio

“…The aims were: i) to quantify total N2O emission from different CS with contrasting cropping intensity in a long-term experiment that included all phases, ii) evaluate the drivers of N2O emission fluxes and iii) estimate the contribution of each component of the CS to total N2O emissions. …”
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Modelling inter-annual variation in dry matter yield and precipitation use efficiency of perennial pastures and annual forage crops sequences por Ojeda, Jonathan Jesus, Caviglia, Octavio, Irisarri, Jorge Gonzalo Nicolás, Agnusdei, Monica Graciela

“…We used a modelling approach to estimate DM yield and PUE of oats-maize (sequence) and alfalfa in five locations of the Argentinean Pampas, which differed in annual precipitation (AP) and variability of it. …”
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Water relations, biochemical – physiological and yield responses of olive trees (Olea europaea L. cvs. Arbequina and Manzanilla) under drought stress during the pre-flowering and f... por Pierantozzi, Pierluigi, Torres, Myriam Mariela, Bodoira, Romina Mariana, Maestri, Damian

“…Previous article in issue Next article in issue Abbreviations CarCarotenoidsChl-aChlorophyll aChl-bChlorophyll bDWDry weightETcEstimated crop evapotranspirationEToReference evapotranspirationEVEnding valueGCGas chromatographyGC - MSGas chromatography–mass spectrometrygsStomatal conductanceIVInitial valueIWPIrrigation water productivityMDAMalondialdehydePhaePhaeophytinPnPhotosynthetic ratePROProlineRDIRegulated deficit irrigationROSReactive oxygen substancesTLCThin layer chromatographyΨstemStem water potential…”
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Oil quality of maize and soybean genotypes with increased oleic acid percentage as affected by intercepted solar radiation and temperature por Zuil, Sebastian, Izquierdo, Natalia Gabriela, Luján, Jorge S., Cantarero, Marcelo G., Aguirrezábal, Luis Adolfo Nazareno

“…The models adequately estimated (r2 ≥ 0.65) the oleic acid percentage of these genotypes grown under different temperatures and ISR per plant during grain filling from these experiments. …”
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Rendimiento de cultivares de arveja (Pisum sativum, L) en diferentes ambientes de la República Argentina - Campaña 2018-2019 por Prieto, Gabriel Maria, Appella, Cristian Manuel, Avila, F., Bracco, V., Brassesco, Raul Francisco, Buschittari, D., Casciani, Andres, Esposito, Maria Andrea, Fariña, Leandro, Fekete, Ana Cecilia, Frolla, Franco Daniel, Gallego, Juan Jose, Introna, Jimena, Lavilla, M., Maggio, J.C., Prece, Natalia María, Maggio, Maria Elisa, Mariotti Martinez, Jorge Alberto, Martínez, S., Orliacq, A., Vallejos, Maximiliano, Zgrablich, A.

“…Se estima que la población mundial para 2050 llegará a las 9.000 millones de personas, por lo que la demanda de alimentos será creciente y las legumbres juegan un papel fundamental en la dieta de los países que más población tienen, como India y China. …”
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The effect of dietary nitrate and canola oil alone or in combination on fermentation, digesta kinetics and methane emissions from cattle por Villar, Maria Laura, Hegarty, Roger Stephen, Nolan, John V., Godwin, Ian R., McPhee, Malcolm J.

“…Exogenous markers (Co-EDTA, Yb-acetate and 15NH4Cl) were continuously infused into the rumen over 4 d to estimate digesta flow and rumen N outflow while whole tract digestibility (DMD) was determined using chromic oxide. …”
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Spring deficit irrigation in olive (cv. Genovesa) growing under arid continental climate: effects on vegetative growth and productive parameters por Pierantozzi, Pierluigi, Torres, Myriam Mariela, Tivani, Martín, Contreras Valentín, Ana Cibeles, Gentili, Luciana, Parera, Carlos Alberto, Maestri, Damian

“…The effects of water availability on productive parameters were more evident when analyzed as an estimated productive response; the total water productivity, calculated on both fruit weight and oil weight bases, gave the highest values in the most restrictive irrigation treatment. …”
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Modulation of flavonoid biosynthetic pathway genes and anthocyanins due to virus infection in grapevine (Vitis viniferaL.) leaves por Gutha, Linga R., Casassa, Luis Federico, Harbertson, James F., Naidu, Rayapati A.

“…The results also showed 24% higher levels of flavonols in virus-infected symptomatic leaves than in virus-free green leaves, with quercetin followed by myricetin being the predominant compounds. Proanthocyanidins, estimated as total tannins by protein precipitation method, were 36% higher in virus-infected symptomatic leaves when compared to virus-free green leaves. …”
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