Browsing by Title Artículos de revistas

Now showing items 74-93 of 644

    • Canopy gap structure as an indicator of intact, old-growth temperate rainforests in the Valdivian ecoregion 
      Gutiérrez Ilabaca, Alvaro Guillermo; Chávez, Roberto O.; Díaz Hormazábal, Ignacio (MDPI, 2021)
      Forest degradation continues to increase globally, threatening biodiversity and the survival of species. In this context, identifying intact, old-growth forest stands is both urgent and vital to ensure their existence ...
    • Carbon partitioning to berries in water stressed grapevines: The role of active transport in leaves and fruits 
      Pastenes Villarreal, Claudio; Villalobos, L.; Ríos, N.; Reyes, F.; Turgeon, R.; Franck Berger, Nicolás (Elsevier, 2014)
      Although imposed water stress is a common agricultural practice worldwide, the physiological and molecular responses of grapevine leaves and fruits, and their interactions, in relation to carbon partitioning remain ...
    • Carbono orgánico y propiedades del suelo 
      Martínez H., Eduardo; Fuentes Espoz, Juan; Acevedo Hinojosa, Edmundo (Sociedad Chilena de la Ciencia del Suelo, 2008)
      El carbono orgánico del suelo (COS) se relaciona con la sustentabilidad de los sistemas agrícolas afectando las propiedades del suelo relacionadas con el rendimiento sostenido de los cultivos. El COS se vincula con la ...
    • Cell wall calcium and hemicellulose have a role in the fruit firmness during storage of blueberry (Vaccinium spp.) 
      Olmedo, Patricio; Zepeda, Baltasar; Rojas, Bárbara; Silva Sanzana, Christian; Delgado Rioseco, Joaquín; Fernández, Kamila; Balic, Iván; Arriagada, César; Moreno, Adrián A.; Defilippi, Bruno G.; Campos Vargas, Reinaldo Ismael (MDPI, 2021)
      The firmness of blueberry is one of its most significant quality attributes. Modifications in the composition of the cell wall have been associated with changes in the fruit firmness. In this work, cell wall components and ...
    • Centimetre-wave continuum radiation from the rho Ophiuchi molecular cloud 
      Casassus Montero, Simón; Dickinson, Clive; Cleary, Kieran; Paladini, Roberta; Etxaluze, Mireya; Lim, Tanya; White, Glenn J.; Burton, Michael; Indermuehle, Balt; Stahl, Otmar; Roche, Patrick (BLACKWELL PUBLISHING, 2008-12-11)
      The rho Oph molecular cloud is undergoing intermediate-mass star formation. Ultraviolet radiation from its hottest young stars heats and dissociates exposed layers, but does not ionize hydrogen. Only faint radiation from ...
    • Challenges for agroecology development for the building of sustainable agri-food systems 
      Salazar Guerrero, Osvaldo; Rojas, Claudia; Baginsky Guerrero, Cecilia; Boza Martínez, Sofía; Lankin Vega, Gabriela O.; Muñoz Sáez, Andrés; Pérez Quezada, Jorge; Pertuzé Concha, Ricardo; Renwick, Leah L.R.; Székács, András; Altieri, Miguel (Pontificia Universidad Católica de Chile, Facultad de Agronomía e Ingeniería Forestal, 2020)
      Environmental and social crises in agriculture have led to growing recognition that more ecologically sustainable and socially just food and agricultural systems are needed. This thematic number of the International ...
    • Changes in European ecosystem productivity and carbon balance driven by regional climate model output 
      Morales Peillard, Pablo; Hickler, Thomas; Rowell, David P.; Smith, Benjamin; Sykes, Martin T. (Blackwell, 2007)
      Climate change resulting from the enhanced greenhouse effect together with the direct effect of increased atmospheric CO2 concentrations on vegetation growth are expected to produce changes in the cycling of carbon in ...
    • Changes in physical properties of a typic haplocambid by annual crop culture 
      Seguel Seguel, Oscar; Baginsky Guerrero, Cecilia; Contreras, A.; Covarrubias, J.; González, C.; Sandoval, M. (SOC CHILENA CIENCIA SUELO, 2011)
      As an alternative to organic soil amendments used in the Copiapo Valley (northern Chile), this study analyzed the magnitude of changes in physical soil properties associated with different crop rotations on the rows on a ...
    • Changes in soil water balance following afforestation of former arable soils in Denmark as evaluated using ... 
      Salazar Guerrero, Osvaldo; Hansen, Søren; Abrahamsen, Per; Hansen, Karin; Gundersen, Per (Elsevier, 2013)
      Land use change alters water and element cycles, but the changes in these cycles after conversion, for example, from cropland to forest are not fully described in hydrological and nutrient transport models, which usually ...
    • Changes in the composition of flavonols and organic acids during ripening for three cv. sauvignon blanc ... 
      Peirano Bolelli, Pierina; Heller Fuenzalida, Florencia; Cuneo, Italo F.; Peña Neira, Alvaro; Cáceres Mella, Alejandro (MDPI, 2022)
      The influence of the geographical location and clone type on the contents of flavonols and organic acids of Sauvignon blanc grapes over the ripening process was investigated. The assay was carried out on three commercial ...
    • Characteristics and attitudes of small-scale vegetable farmers in Chile 
      Boza Martínez, Sofía; Cortés, Maruja; Prieto Durán, Carmen; Muñoz Eulogio, Tomás Francisco; Mora González, Marcos (Universidad Federal de Santa María, Brasil, 2020)
      An adequate supply of fresh, high quality and accessible vegetables is essential for a healthy food system. In Latin America, these are mostly produced by smallholder farmers. The objective of this research was to characterize ...
    • Characterization of genetic coefficients of durum wheat (Triticum turgidum L. ssp. durum) ‘Llareta-INIA’ ... 
      Garrido Salinas, Marco; Román, Luis; Silva Candia, Paola; Castellaro Galdámes, Giorgio; García de Cortazár, Víctor; Acevedo Hinojosa, Edmundo (INIA, 2013)
      The genetic coefficients, representative of a crop, are necessary to use growth models; in many cases the range of the species is known, but there are no specific values for varieties. Durum wheat (Triticum turgidum L. ...
    • Characterization of piñon seed (Araucaria araucana (Mol) K. Koch) and the isolated starch from the seed 
      Henríquez, Carolina; Escobar Alvarez, Berta; Figuerola, Fernando; Chiffelle Gómez, Italo; Hernán Speisky; Ana María Estévez (ELSEVIER, 2008)
      Araucaria (Araucaria araucana) is a conifer tree, endemic of Chile. The seed of this tree, named pin˜on are composed principally of starch. In this work, pin˜on seeds and the starch isolated from them were evaluated. The ...
    • Characterization of texture attributes of raw almond using a trained sensory panel 
      Contador Cárdenas, Loreto Andrea; Robles Diener, Bárbara Francisca; Shinya, Paulina; Medel Maraboli, Marcela; Pinto, Catalina; Reginato Meza, Gabino; Infante Espiñeira, Rodrigo (EDP Sciences, 2015)
      Introduction. Texture parameters are important factors for characterizing the sensory quality of raw almonds; nevertheless there is scarce literature that explores sensory differences among cultivars. The aim of this ...
    • Characterization of the acetohydroxyacid synthase multigene family in the tetraploide plant Chenopodium quinoa 
      Mestanza, Camilo; Riegel, Ricardo; Silva Ascencio, Herman; Vásquez, Santiago C. (PUCV, 2015)
      Background: Currently, the technology called Clearfield (R) is used in the development of crops resistant to herbicides that inhibit the enzyme acetohydroxy acid synthase (AHAS, EC 2.2.1.6). AHAS is the first enzyme of the ...
    • Characterization of the high-affinity phosphate transporter PHT1;4 gene promoter of Arabidopsis thaliana ... 
      Pealoza, E.; Santiago, M.; Cabrera, S.; Muñoz, G.; Corcuera, L. J.; Silva Ascencio, Herman (Academy of Sciences of the Czech Republic, 2017)
      The root specificity and phosphate (Pi) deficiency responsiveness of high-affinity phosphate transporter (PHT1) genes point to their promoters as a sustainable system to drive Pi acquisition-related transgenes in plants. ...
    • CHARACTERIZATION OF THE WEED SEED BANK IN ZERO AND CONVENTIONAL TILLAGE IN CENTRAL CHILE 
      Peralta Caroca, Rosa; Silva Candia, Paola; Acevedo Hinojosa, Edmundo (INST INVESTIGACIONES AGROPECUARIAS, 2011)
      We studied the abundance, species composition, and depth distribution of the weed seed bank under no-tillage (NT) and conventional tillage (CT) at two sites, A and B. Soil samples were taken at three soil depths (0-2, 2-5, ...
    • Chemical and biological properties as affected by no-tillage and conventional tillage systems in an irrigated ... 
      Martínez, Eduardo; Fuentes Espoz, Juan; Pino, Vanessa; Silva Candia, Paola; Acevedo Hinojosa, Edmundo (ELSEVIER SCIENCE BV, 2013-01)
      Soil management practices may change the soil properties. The magnitude of the change varies according to the soil property, the climate, and the type and time of implementation of a particular management system. The aim ...
    • Chemical and physical implications of the use of alternative vessels to oak barrels during the production ... 
      Gil i Cortiella, Mariona; Úbeda Aguilera, Cristina; Covarrubias Peña, José Ignacio; Laurie, V. Felipe; Peña Neira, Álvaro Iván (MDPI, 2021)
      Recently, the use of alternative vessels to oak barrels during winemaking has become increasingly popular, but little is known about their impact on the chemical composition of the resulting wines. To address this issue, ...
    • Chemical and sensorial characterization of scented and non-scented alstroemeria hybrids 
      Aros Orellana, Danilo Fernando; Suazo Briones, Macarena Carolina; Medel Marabolí, Marcela; Ubeda, Cristina (MDPI, 2022)
      Floral scent plays an important ecological role attracting pollinators. Its composition has been elucidated for a vast diversity of species and is dominated by volatile organic compounds (VOCs) such as monoterpenoids, ...