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Browsing by Subject "Agriculture"

Now showing items 1-20 of 46

A Solar Energy Powered Autonomous Wireless Actuator Node for Irrigation Systems

Lajara Vizcaíno, José Rafael; Alberola, Jorge; Pelegrí Sebastiá, José (MDPI, 2011)

The design of a fully autonomous and wireless actuator node ("wEcoValve mote") based on the IEEE 802.15.4 standard is presented. The system allows remote control (open/close) of a 3-lead magnetic latch solenoid, commonly ...
A wireless Sensor Network that use Image Processing for Vineyard Monitoring

Lloret, Jaime; Bosch Roig, Ignacio; Sendra Compte, Sandra; Serrano Cartagena, Arturo (MDPI, 2011)

The first step to detect when a vineyard has any type of deficiency, pest or disease is to observe its stems, its grapes and/or its leaves. To place a sensor in each leaf of every vineyard is obviously not feasible in terms ...
ABS-SmartComAgri: An Agent-Based Simulator of Smart Communication Protocols in Wireless Sensor Networks for Debugging in Precision Agriculture

García-Magariño, Iván; Lacuesta Gilabert, Raquel; Lloret, Jaime (MDPI AG, 2018)

[EN] Smart communication protocols are becoming a key mechanism for improving communication performance in networks such as wireless sensor networks. However, the literature lacks mechanisms for simulating smart communication ...
Accuracy of tree geometric parameters depending on the LiDAR data density

Hadás, Edyta; Estornell Cremades, Javier (Taylor & Francis, 2016)

[EN] The aim of this study was to compare geometric parameters of olive trees (tree height, crown base height, crown diameters, crown area), using LiDAR data of different densities: 0.5, 3.5 and 9 points m(-2). Two ...
Adaptation of agriculture to global change scenarios. Application of participatory methods in the Júcar River basin (Spain)

Ortega-Reig, Mar; García-Mollá, Marta; Sanchis-Ibor, Carles; Pulido-Velázquez, Manuel; Girard, Corentin; Marcos, Patricia; Ruiz-Rodríguez, Martin; García-Prats, Alberto (Universitat Politècnica de València, 2019-01-04)

[EN] This paper develops a participatory methodology to integrate farmer’s vision in the design of an adaptation strategy to global change in the Jucar River basin. It aims at answering three questions: How farmers perceive ...
Agro-Urban Landscape: the case study of Monteruscello-Naples

Como, Alessandra; Smeragliuolo Perrotta, Luisa; Vece, Carlo (Editorial Universitat Politècnica de València, 2018-04-20)

[EN] Studies on morphology and on the urban form should not be detached from social aspects and from the responsibility of architects and policy makers. The issue becomes even more complicated in the case of cities with a ...
Analysis of European Union agriculture using Malmquist and intertemporal DEA

Aldaz, Natalia; Millán, Joaquín A. (Universitat Politècnica de València, 2003)

[EN] This paper compares two non-parametric programming techniques for the measurement of total factor productivity using panel data: Malmquist indices and an intertemporal-DEA model that allows the calculation of technology ...
Analysis, assessment, and improvement of fertilizer distribution in pressure irrigation systems

Jiménez Bello, Miguel Ángel; Martínez Alzamora, Fernando; Bou Soler, Vicente; Bartolín Ayala, Hugo José (Springer-Verlag, 2010)

[EN] The transformation of traditional irrigation systems into pressure irrigation networks allows water users associations to use central fertigation systems. For efficient fertigation management, however, it is essential ...
Análisis de la gestión de una cooperativa agrícola valenciana

Alegre Usach, Sergio (2019-10-14)

[ES] El propósito u objeto de este trabajo de final de grado es el análisis de la gestión de una cooperativa agrícola valenciana dedicada a la comercialización de vinos de DO Valencia y de aceites de oliva. La justificación ...
Análisis de las debilidades estructurales de la agricultura valenciana y sus posibles soluciones mediante la aplicación de las medidas incluidas en el Programa de Desarrollo Rural de la Comunitat Valenciana.

Ruiz Guillem, Celia (2017-01-16)

[EN] Valencian agriculture is characterized by several structural weaknesses that hinder its growth. The first consequence of these weakness is a continuous loss of profitability in the farms, becoming a progressive ...
Aplicación de un modelo dinámico de multisimulación de cultivos para la evaluación de las necesidades hídricas en las zonas de La Mancha Oriental (Júcar) y La Crau (Ródano).

Ramos Madrona, Ester (2016-12-13)

[EN] The European research project AGADAPT (Climate-KIC) intended to do the evaluation of model water resources in the context of climate change. Combining innovative technologies based on modelling and knowledge, AGADAPT ...
Automatic estimation of olive tree dendrometric parameters based on airborne laser scanning data using alpha-shape and principal component analysis

Hadas, Edyta; Borkowski, Andrzej; Estornell Cremades, Javier; Tymkow, Przemyslaw (Taylor & Francis, 2017)

[EN] The aim of this study is to present an automatic approach for olive tree dendrometric parameter estimation from airborne laser scanning (ALS) data. The proposed method is based on a unique combination of the alpha-shape ...
Canal Segarra-Garrigues: Transformación de un territorio, transformación de las personas

del Estal Malillos, Javier; del Estal (Universitat Politècnica de València, 2015-01-30)

[ES] El regadío del Sistema Segarra-Garrigues transformará una superficie de más de 95.000 Ha de secano en regadío. Siempre nos fijamos en los números macros de una actuación como esta: inversión, incremento de producción, ...
Crop wild relatives of the brinjal eggplant (Solanum melongena): poorly represented in genebanks and many species at risk of extinction

Syfert, M.M.; Castañeda-Álvarez, N.P.; Khoury, C.K.; Särkinen, T.; Sosa, C.C.; Achicanoy, H.A.; Bernau, V.; Prohens Tomás, Jaime; Daunay, Marie Christine; Knapp, Sandra (Botanical Society of America, 2016)

[EN] PREMISE OF THE STUDY: Crop wild relatives (CWR) provide important traits for plant breeding, including pest, pathogen, and abiotic stress resistance. Therefore, their conservation and future availability are essential ...
Diseño de un boxpalet para el sector de la agricultura

Martínez Miravalls, Desirée (2019-10-29)

[ES] En el sector de la agricultura, el transporte de ciertas frutas y verduras por sus características, requieren de cierto tipo de embalaje adaptado. Uno de los formatos utilizados en el caso de las sandias y melones ...
Diseño de una Aplicación para Facilitar la Participación del Sector de Agricultura en Programas de Gestión de la Demanda de Energía

Bas Doménech, Carmen (2020-04-28)

[ES] Mientras California se dirige a sus objetivos respecto energías renovables en 2030, el estado encuentra nuevos desafíos, necesitando crear nuevos servicios o mejorar los existentes para poder gestionar la evolución ...
Effect of water and straw management practices on methane emissions from rice fields: A review through a meta-analysis

Sanchís Jiménez, Elena María; Ferrer Roglán, Marta; Torres, Antonio G.; Cambra López, María; Calvet Sanz, Salvador (Mary Ann Liebert, 2012-12)

[EN] Rice fields contribute substantially to global warming of the atmosphere through emission of methane (CH4). This article reviews the state of the art of factors affecting CH4 emissions in rice fields, focusing on soil ...
Efficiency of the water assignment rules in irrigation: Assignment by market, proportional rule and uniform rule

Goetz, Renan-Ulrich; Martínez, Yolanda; Rodrigo, Jofre (Universitat Politècnica de València, 2005)

[EN] In this paper, the introduction of three different methods for the assignment of water in agriculture is simulated in order to compare its economic efficiency for the case of an irrigated area located in the central ...
El fomento público a las asociaciones de agricultores en Ecuador: estudio de caso de la Organización de Productores de Café de Altura Unión de Artesanos “El Colmenar”, parroquia San Antonio de las Aradas, provincia de Loja

Toledo Macas, Ronald Kleiner (2016-02-23)

[EN] The evolution of the ecuadorian economy during the period described 2007-2013 and the contribution of agriculture to the economy, especially in the coffee sector, after public institutions and legislation that are ...
El mosaico agrícola como patrón formal en el proyecto del paisaje

Piles Lisarde, Ana (2019-02-05)

[ES] La agricultura, como paisaje cultural, implica geometría. Los surcos de cultivos son líneas rectas paralelas, los árboles se plantan en alineación o cuadrícula, y las tierras de labranza son rectángulos o trapezoides, ...