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Agricultural Water Management | 2000

A case study for irrigation modernisation I. Characterisation of the district and analysis of water delivery records

J.M. Faci; A Bensaci; A Slatni; E. Playán

Abstract The analysis of water management in irrigated districts is highly relevant. The present work highlights the principal irrigation management problems of the irrigation district of Almudevar, a representative surface irrigation district located in the northeast of Spain. The predominant irrigation system is blocked-end borders. The study included three phases: (1) assessment of crop water requirements of the main crops of the study area; (2) characterisation of soil depth and soil water retention; and (3) analysis of the current irrigation practices based on the study of the 1994 water records of the district. The following irrigation management problems were identified: (1) the mean volume of water billed to the farmers was 43% higher than the net irrigation requirements; (2) the volume of water billed to the farmers were inversely related to the farm size; (3) few, widely spaced, large irrigation events; (4) large delay time in water delivery; and (5) in selected crops and/or areas, water billing was lower than the net irrigation requirements, indicating the presence of marginal areas or heavily subsidised crops. This research could be applied in other areas of traditional surface irrigation systems. The goal of this methodology is to diagnose the actual level of water management and to provide data for the modernisation of the irrigation district. In a companion paper, a decision support system for the modernisation of the district is presented.


Agricultural Water Management | 2003

Analysis of an irrigation district in northeastern Spain: II. Irrigation evaluation, simulation and scheduling

Farida Dechmi; E. Playán; J.M. Faci; M. Tejero; A. Bercero

In the first paper of this series, the Loma de Quinto Irrigation District (LQD) was characterised, and water use was assessed. In this work, the analysis of the LQD is completed with field irrigation evaluations, solid-set sprinkler irrigation simulations and irrigation scheduling for optimal crop yield. The results of the irrigation evaluations indicated that the average Christiansen coefficient of uniformity (CU) for solid-sets, centre-pivots and linear-moves was 68.0, 75.5, and 80.0%, respectively. In solid-sets CU was severely reduced by wind speed. However, in centre-pivots and linear-moves CU was higher in evaluations with wind speeds between 2 and 6 m s-1 than under calm conditions. The evaluation data set was used to validate a ballistic solid-set sprinkler irrigation simulation model. The performance variables used for model validation were CU and the potential application efficiency of the low quarter (PAElq). Both variables were adequately predicted in the range of the observed values. The model was used to extend the evaluation results to all the solid-set plots in the LQD. CU maps were produced for different wind speeds and operating pressures. These maps can be used to identify plots with low irrigation performance. The effect of irrigation scheduling on crop yield and net benefit was analysed using the CropWat simulation model. Simulations of the 1997 irrigation practices performed on a limited number of plots detected a 12% decrease in crop yield due to deficit irrigation and/or large irrigation intervals. The introduction of an optimal irrigation schedule (avoiding yield reductions) would imply increasing the alfalfa seasonal irrigation depth by 101 mm, and applying light, frequent irrigation events. Due to labour scarcity in the LQD, the implementation of the optimal schedule would require a high degree of irrigation automation, which is currently unavailable. Taking into consideration the value of the additional yield and the costs of the extra irrigation water depth and the automation devices, the resulting net benefit would be 50 ha-1. The purpose of this analysis of the LQD is to contribute to the diagnostic analysis phase of an incipient Management Improvement Program at the LQD. In order to complete this phase, an interdisciplinary committee will perform a study not just on irrigation but on a wide scope of irrigated agriculture in the LQD. Author Keywords: Sprinkler irrigation; Irrigation uniformity; Simulation model


Irrigation Science | 1997

Border fertigation: field experiments and a simple model

E. Playán; J.M. Faci

Abstract Fertilizers are commonly dissolved in border irrigation water. However, there are no available procedures for the proper design and management of surface fertigation. A series of experiments was conducted to determine the uniformity of fertilizer application under varying inflow discharges and fertilizer application times in blocked-end borders. Results from the fertigation evaluations showed that the fertilizer distribution uniformity of the low half (DULH) ranged from 2.9 to 51.6%, while water DULH ranged from 63.5 to 96.9%. A simplified border fertigation model based on one-dimensional convection was formulated and applied to the simulation of the experiments. The model was able to explain 43.8% of the variability in the fertilizer DULH. Application of the model to selected case studies revealed that short-duration applications, such as those resulting from instantaneous release of fertilizer into the irrigation stream, often produce low uniformities. This is particularly true for early applications in blocked-end borders and for early and late applications in level basins. In both irrigation systems, application of fertilizer at a constant rate during the entire irrigation event is frequently the best solution. In the presence of runoff, the model can be used to find a compromise between fertilizer application uniformity and runoff losses. Finally, if large deep percolation losses are expected, the model can identify uniform fertigation options based on late applications of fertilizer.


Agricultural Water Management | 1996

Characterizing microtopographical effects on level-basin irrigation performance

E. Playán; J.M. Faci; A. Serreta

Abstract Microtopography has long been recognized as one of the key variables in level-basin irrigation performance, although little effort has been devoted to establish its relevance. In this work, experimental data are used to quantify the influence of microtopography on irrigation performance. An irrigation evaluation was performed on a small level-basin (256 m 2 ) LASER levelled to zero slope. Irrigation depth was gravimetrically measured and estimated at the 49 nodes of a regular network. Data from the irrigation evaluation and a two-dimensional flat-bed model were used to estimate irrigation depth. Irrigation times, soil surface elevation and distance to the inlet were estimated at the same nodes, and a correlation matrix was computed. Results showed that soil surface elevation was highly and significantly correlated with the times of advance (0.725 ∗∗∗ ), recession ( −0.815 ∗∗∗ ) and opportunity ( −0.852 ∗∗∗ ), and with the measured irrigation depth ( −0.583 ∗∗∗ ). Distribution uniformity using soil water measurements was 71.0%. Estimates from the irrigation evaluation and the two-dimensional model were 85.3% and 94.9%, respectively. The irrigation evaluation procedure could explain 30 ∗∗∗ % of the measured variability in irrigation depth. A large part of the unexplained variance in measured irrigation depth seems to be due to the spatial variation of infiltration properties. Predictions by the two-dimensional model were not significantly related to the measured values. A simple method was devised to estimate microtopography-adjusted irrigation performance from the results of a flat bed model and the standard deviation of elevation. Microtopography can have an important effect on level-basin irrigation performance. Models not considering this variable may incur large errors when simulating irrigation performance.


Irrigation Science | 2000

Elevation and infiltration in a level basin. II. Impact on soil water and corn yield

N. Zapata; E. Playán; J.M. Faci

Abstract The spatial variability of irrigation water recharge and crop yield is affected by a number of factors. Soil surface elevation, infiltration and soil water MAD are the most relevant related to level-basin irrigation. Measurements of soil water recharge (using a neutron probe) were compared to estimates based on ring infiltrometers and observations of the opportunity time. Estimates of cumulative infiltration (ECI) were obtained, separating the variability of infiltration and opportunity time (largely determined by elevation). Soil surface elevation was correlated with measured recharge, grain yield and total dry matter. A correlation was found between infiltration and the measurements of water recharge. While soil surface elevation can be regarded as a management variable, little can be done to reduce the variability of infiltration. Distribution uniformities from ECI were about 20% higher than those obtained from measurements of water recharge. Seasonal uniformity was only marginally higher than average uniformity, confirming the low random component of water recharge in level-basin irrigation. Deep percolation was more intense in areas with low MAD. This finding emphasizes the relevance of characterizing the variability of soil physical properties in surface irrigation. Extrapolation of the results of this research to field-scale irrigation basins should take into account the methodology used: in particular, the reduced scale of the experimental level basin.


Journal of Agricultural Science and Technology | 2017

Spatial Distribution of Soil Water Content, Soil Salinity and Root Length Density in a Drip Irrigated Nectarine Orchard under Plastic-Mulched and Bare Soils

W. Zribi; J.M. Faci; E. T. Medima; R. Aragüés

Tesis llevada a cabo para conseguir el grado de Doctor por la Universidad de Complutense de Madrid.--2018-01-15.--Sobresaliente cum laudeContiene 7 documentos (1. Objetivos, alcance y publicaciones. 2. Registro y codigo) y 5 con el softwareespanolLas ciber amenazas afectan a todo tipo de organizaciones, causando frecuentes y costosos impactos globalmente. Recientemente, han surgido productos de ciberseguro con el potencial de reducir el impacto de los riesgos en el ciberespacio. Sin embargo, aun tienen que madurar. En este articulo presentamos varios modelos de analisis de riesgos que podrian facilitar la implantacion y adopcion de ciberseguros. Estos modelos, descritos como diagramas de influencia y diagramas de influencia bi-agente, aportan un marco para estimar el impacto economico de los ciber riesgos a los que se enfrentan aseguradores y asegurados, asi como tambien para calcular sus estrategias optimas de mitigacion y transferencia del riesgo. EnglishCyber threats affect all kinds of organisations with frequent and costly impacts worldwide. Cyber insurance products have recently emerged with the potential of lowering the impact of cyberspace risks. However, they have yet to mature. In this paper we present several risk analysis models that may facilitate the implementation and adoption of cyber insurance. These models, described in terms of influence diagrams and bi-agent influence diagrams, provide a framework for estimating the economic impact of cyber risks that may face insurers and insurees as well as calculating their optimal risk mitigation and transfer strategies.Trabajo presentado a la III Iberoamerican Conference on Supercritical Fluids celebrada en Cartagena de Indias (Colombia) del 1 al 5 de abril de 2013.Trabajo presentado a la 26th IAEA Fusion Energy Conference, celebrada en Kyoto (Japon) del 17 al 22 de octubre de 2016.The Joint Iberian Meeting on Atomic and Molecular Physics (IBER), Barcelona, September 12-14th, 2017. -- http://iber2017.com/index.phpPoster presentado en el 10o Congreso de la Asociacion Iberica de Endocrinologia Comparada AIEC, celebrado en Castellon, Espana, del 23 al 25 de septiembre de 2015Resumen del trabajo presentado a la XI Reunion del Grupo de Microbiologia Molecular, celebrada en Sevilla del 6 al 8 de septiembre de 2016.Chinchilla-Rodriguez, Zaida; Miguel, Sandra; Perianes-Rodriguez, Antonio; Ovalle-Perandones, Antonia; Olmeda-Gomez, Carlos. (2016). Autonomy vs. dependency of scientific collaboration in scientific performance . 21st International Conference on Science and Technology Indicators, STI2016. Valencia, Spain, 14-16 September 2016XXV National Spectroscopy Meeting (XXV RNE), IX Iberian Spectroscopy Conference (IX CIE), Alicante, 20th-22nd July, 2016Resumen del trabajo presentado a la 43rd International Conference on Micro and Nano Engineering (MNE), celebrada en Braga (Portugal) del 18 al 22 de septiembre de 2017.Contiene 7 documentos (1. Objetivos, alcance y publicaciones. 2. Registro, interface y codigo) y 5 con el softwarePoster presentado en el congreso 4th SCARCE International Conference, celebrado en Cadiz, Espana el 25 y 26 de noviembre de 2013We present a Cultural Heritage conceptual data model built under the European INSPIRE ( Infrastructure for Spatial Information in the European Community ) Directive. Our model develops the Data Specification on Protected Sites , part of the INSPIRE Annex I. Hence its orientation towards georeferenced heritage data. The data model has been developed by an interdisciplinary group made up of specialists in the field of Geomatics and Cultural Heritage. It is our aim to achieve a generic, extendable and interoperable schema. It should be generic enough to embrace all kind of protected heritage data, from an ancient pilgrim’s way to the last artifact found in an archaeological excavation, extendable to allow any kind of data producer to adapt the model to the nature of their own information and interoperable to combine spatial data sets from different sources through network services, via Internet. The achievement of these three characteristics features international norms and standards referred to our kind of data. This implies adaptation to INSPIRE as well as to several ISO norms: ISO 19100 series regarding geographical information, ISO 21127 (CIDOC-CRM Model) for heritage thematic data and ISO 15836 (Dublin Core) for document resources. The data model comprehends two main dimensions: cultural entities in a strict sense, and the legislative figures created to protect them. This allows for the representation of cultural objects (i.e. historical buildings or archaeological sites) and their link to their legislative protection, keeping them as separate realities. In order to describe the data model, an international common language has been used: UML (Unified Modeling Language), a standard itself. Thus, we present a class-diagram depicting all legal and cultural entities, in the form of classes with their corresponding relations, attributes, constraints and stereotypes.Trabajo presentado en el 11th Spanish-Italian Symposium on Organic Chemistry SISOC-XI celebrado en San Sebastian (Espana), del 13 al 15 de julio de 2016.Trabajo presentado en el XVIII Congreso Peruano de Geologia, celebrado en Lima (Peru), del 16 al 19 de octubre de 2016Poster presentado en las XXXIII Jornadas de la Asociacion Espanola de Entomologia, celebradas en Almeria, del 15 al 18 de noviembre de 2017This research has been funded by the Spanish Ministry of Economy and Competitiveness, through research projects POSTFIRE (CGL2013-47862-C2-1-R) and GEOFIRE (CGL2012-38655-C04-01)The main contribution of this work is the improvement of the efficiency of a PEMFC power system while guaranteeing conditions that also improve its durability. Adopting the NMPC scheme with the distributed parameter model and the nonlinear observer, the efficiency of the PEMFC-based system can be maximized guaranteeing at the same time the appropriate internal gas concentration profiles to avoid global and local hydrogen and oxygen starvation and proper membrane humidification.Trabajo presentado en la 13a Reunion de la Red Espanola de Bacterias Lacticas (RedBAL), celebrada en Madrid (Espana) del 17 al 18 de junio de 2019Memoria de tesis doctoral presentada por Uxue Tilves Matheu para obtener el titulo de Doctora en Ciencias del Mar por la Universitat Politecnica de Catalunya (UPC), realizada bajo la direccion de la Dra. Ana Maria Sabates Freijo y de la Dra. Veronica Lorena Fuentes del Institut de Ciencies del Mar (ICM-CSIC).-- 149 pages, appendicesTrabajo presentado por Nuria Vallverdu Coll para la obtencion del grado de Master universitario en investigacion basica y aplicada en recursos cinegeticos, realizado en el Instituto de Investigacion en Recursos Cinegeticos (IREC, CSIC-UCLM-JCCM).Resumen del poster presentado a la 7th International Conference on Polyphenols and Health, celebrada en Tours (Francia) del 27 al 30 de octubre de 2015.Trabajo financiado con el Proyecto DR3AMCGL2014-55118 del MINECO (Proyecto coordinado del proyecto SALTACRES).Trabajo presentado en el Congreso Iberoamericano de Hidrogeno y Pilas de Combustible, celebrado en Barcelona (Espana) del 15 al 17 de octubre de 2014.El presente articulo describe el empleo del flujo de diseno basado en modelos para el desarrollo de bloques reconfigurables automaticamente para el procesado de imagenes sobre FPGA. Para ello se han concebido arquitecturas hardware que aprovechan caracteristicas especificas de algunos algoritmos de procesado y que pueden ser modificadas a traves de un novedoso procedimiento software. Este aspecto, unido a las restantes opciones de parametrizacion de los diferentes modulos, permite liberar al disenador de los detalles especificos de las implementaciones hardware asi como adaptar el consumo de recursos del FPGA a las necesidades de la aplicacion. El proceso de reconfiguracion automatica se ilustra con el bloque de convolucion generico realizando comparaciones entre implementaciones de diferentes arquitecturas sobre un FPGA Spartan-6 LX45.Trabajo presentado en el 8th European Meeting on Solar Chemistry and Photocatalysis, celebrado en Salonica (Grecia) del 25 al 28 de Junio de 2014.Resumen del poster presentado a las I Jornadas Cientificas del CIAL celebradas el 5 de junio de 2014 en Madrid.-- et al.Trabajo presentado en el 4th International Conodont Symposium, celebrado en Valencia (Espana), del 25 al 30 de junio de 2017Comunicacion presentada en el Aquaculture Europe 2014, celebrado en Donostia-San Sebastian, Espana, del 14 al 17 de octubre de 2014Triptico de la reunion celebrada en la Universidad de Murcia del 12 al 14 de Noviembre de 2015.Trabajo presentado en la 11a Reunion de la Red Espanola de Bacterias Lacticas (RedBAL), celebrada en Gijon (Asturias, Espana) del 28 al 30 de Junio de 2017Trabajo Fin de Master: Master en Catalisis Homogenea y Quimica Molecular. Grupo de Cristales liquidos y Polimeros, Departamento de Quimica Organica de la Universidad de Zaragoza (Curso 2014/2015).La elaboracion de este articulo se inscribe en el proyecto de investigacion “Innovacion oculta: cambio de paradigma en los estudios de innovacion” (FFI2011-25475), Ministerio de Economia y Competitividad, Gobierno de Espana.Poster presented at the 18th International Microscopy Congress (ICM 2014) that took place in Prague (Czech Republic) during 7-12th September 2014.Esta investigacion ha sido posible gracias a la financiacion de los proyectos del Plan Nacional CGL2012-36682 y CGL2016-75109-P del Ministerio de Economia y Competitividad, y al Convenio Principado de Asturias-Universidad de Oviedo y MNCN-CSIC.Resumen del poster presentado a la 10th International Conference one Carbon Metabolism, vitamins B and Homocysteine, celebrada en Nancy (Francia) del 7 al 11 de julio de 2015.La celulosa es la fuente de energia mas abundante que hay en la Tierra. Su transformacion en glucosa se considera la etapa mas importante en la produccion de biocombustibles a partir de biomasa lignocelulosica. Para esta transformacion es necesaria la accion sinergica de tres tipos de enzimas que hidrolizan los enlaces s-1,4 de la celulosa: (i) las endoglucanasas, que actuan al azar sobre enlaces internos, (ii) las celobiohidrolasas, que operan progresivamente por los extremos reductores y no reductores de la cadena, y (iii) las s-glucosidasas (BGL), que hidrolizan celobiosa y los celooligosacaridos mas pequenos hasta glucosa. Los hongos filamentosos son la principal fuente de celulasas, siendo los crudos del genero Trichoderma los mas estudiados y comercializados historicamente. Sin embargo, estos hongos secretan niveles insuficientes de BGL para una conversion efectiva de la celulosa, por lo que con frecuencia requieren ser suplementados con preparaciones ricas en esta enzima procedentes de otros hongos. Recientemente, se han descrito cepas de Penicillium con gran capacidad para secretar altos niveles de BGL al medio extracelular. Ademas de su papel en la hidrolisis de la celulosa las BGL tambien pueden emplearse para sintetizar compuestos de interes industrial mediante reacciones de transglicosilacion. En este trabajo se ha estudiado una nueva cepa fungica productora de celulasas, identificada como Talaromyces amestolkiae, en base a un analisis molecular y morfologico. Se han purificado a homogeneidad electroforetica tres BGL (BGL-1, BGL-2 y BGL-3) secretadas por el hongo y se han caracterizado bioquimicamente. BGL-1 y BGL-2 son proteinas monomericas, mientras que BGL-3 es un dimero funcional. Los valores de actividad maxima de estas enzimas se obtuvieron a pH 4,0 y entre 50-60 oC, siendo estables en un rango de pH de 4-7 y a 50 oC. Las tres mostraron distinto comportamiento en funcion del sustrato (pNPG o celobiosa), ensayandose tambien el efecto de determinados compuestos quimicos e inhibidores en su actividad. Las tres pueden hidrolizar celooligosacaridos de diferente longitud, disminuyendo la eficacia de hidrolisis con el aumento de la polimerizacion, y no son activas frente a polisacaridos. Ademas, mostraron actividad de transglicosilacion, formando alquilglicosidos y celooligosacaridos de mayor longitud que los usados como sustratos. Las tres BGL se identificaron mediante huella peptidica y en base la alta homologia con otras BGL fungicas relacionadas filogeneticamente, se disenaron cebadores especificos que permitieron la secuenciacion de los genes que codifican cada una de ellas. El analisis de las secuencias aminoacidicas mostro que BGL-1 es miembro de la familia 1 de las glicosil hidrolasas, mientras que BGL-2 y BGL-3 pertenecen a la familia 3. Teniendo en cuenta que existen pocas BGL fungicas cristalizadas, se construyeron modelos moleculares de estas ultimas en base a las estructuras con las que presentaron mayor identidad. El crudo enzimatico de T. amestolkiae, rico en BGL, se uso de forma individual y como suplemento de otros cocteles comerciales en experimentos de sacarificacion a partir de slurry acido de paja de trigo. Los resultados obtenidos indican que el hongo secreta, ademas de celulasas, otras enzimas complementarias que potencian la liberacion de azucares fermentables. Se analizo el secretoma de T. amestolkiae usando Avicel o slurry acido de paja de trigo como fuente de carbono. Las celulasas fueron las enzimas mas abundantes en ambas condiciones, sin embargo, en el crudo obtenido a partir de los cultivos en slurry aumento la proporcion de BGL y otras enzimas distintas a las celulasas, indicando que para la degradacion de un sustrato complejo es necesaria mayor diversidad enzimatica. Los resultados obtenidos en este trabajo abren nuevas vias para la formulacion de cocteles enzimaticos eficaces en el contexto de la degradacion de la biomasa lignocelulosica.Trabajo presentado en el 4th International Congress on Ichnology - ICHNIA 2016: Ichnology for the 21st century: (Palaeo) Biological Traces towards Sustainable Development, celebrado en Idanha-a-Nova (Portugal), del 6 al 9 de mayo de 2016Resumen del trabajo presentado al Joint European Magnetic Symposia (JEMS), celebrado en Glasgow (UK) del 21 al 26 de agosto de 2016.Vazquez, J. T. ... et. al.-- Inciativa Iberica para el Estudio de las Fallas Activas, Tercera Reunion Iberica sobre Fallas Activas y Paleosismologia IBERFAULT 2018 - Third Iberian Meeting on Active Faults and Paleoseismology, 11-13 June 2018, Alicante, Spain.-- 4 pages, 2 figuresLa infeccion temprana por Verticillium dahliae en olivar y la discriminacion entre niveles de severidad de la Verticilosis es viable mediante la utilizacion de imagenes termicas, multiespectrales e hiperespectrales adquiridas con vehiculos aereos no tripulados a escala de parcela o tripulados a escala de comarca. El indicador relacionado con la temperatura de copa (CWSI), indices de reflectancia (B, BG1, BR1) y la fluorescencia clorofilica (FLD3) se identifican como buenos indicadores para detectar la Verticilosis en etapas tempranas del desarrollo de la enfermedad, mientras que NDVI, PRI515, R/G, HI e indices de estimacion de clorofila y carotenos demuestran ser buenos indicadores para la cuantificacion de dano moderado o severo causada por Verticilosis, lo que puede ser de utilidad para el diseno de estrategias de control de la Verticilosis a escala de parcela y de comarca. La infeccion temprana por Verticillium dahliae en olivar y la discriminacion entre niveles de severidad de la Verticilosis es viable mediante la utilizacion de imagenes termicas, multiespectrales e hiperespectrales adquiridas con vehiculos aereos no tripulados a escala de parcela o tripulados a escala de comarca. El indicador relacionado con la temperatura de copa (CWSI), indices de reflectancia (B, BG1, BR1) y la fluorescencia clorofilica (FLD3) se identifican como buenos indicadores para detectar la Verticilosis en etapas tempranas del desarrollo de la enfermedad, mientras que NDVI, PRI515, R/G, HI e indices de estimacion de clorofila y carotenos demuestran ser buenos indicadores para la cuantificacion de dano moderado o severo causada por Verticilosis, lo que puede ser de utilidad para el diseno de estrategias de control de la Verticilosis a escala de parcela y de comarca. El olivo (Olea europaea L.) es el cultivo lenoso no tropical que ocupa mayor superficie en todo el mundo, con el 95% de la produccion mundial localizada en la cuenca mediterranea. Espana es el pais con mayor superficie de olivar del mundo con 2,6 MHa y aproximadamente el 39% de la produccion mundial. La Verticilosis, causada por el hongo de suelo Verticillium dahliae Kleb, constituye la principal amenaza para el olivar. Esta enfermedad afecta al olivo en todos los paises de tradicion olivarera y causa importantes perdidas de rendimiento y muerte de los arboles (Jimenez-Diaz y col., 2012). Este patogeno coloniza el sistema vascular de la planta, bloqueando el flujo del agua y finalmente induciendo estres hidrico (Van Alfen, 1989).Espana es el mayor productor de citricos de la Union Europea y el quinto a nivel mundial, con una produccion anual superior a cinco millones de toneladas (MAGRAMA, 2016). Este sector genera una gran cantidad de subproductos, con un elevado aporte energetico y alto contenido en pectinas y azucares, por lo que podrian usarse como materias primas en dietas para rumiantes. Sin embargo, los subproductos de citricos son muy diversos, por lo que su composicion quimica y valor nutritivo tambien puede ser variable (FEDNA, 2010; Feedipedia, 2016). El objetivo de este trabajo fue analizar la composicion quimica y la produccion de gas in vitro de subproductos de citricos producidos en nuestro pais.Resumen del trabajo presentado a las I Jornadas Cientificas del CIAL celebradas el 5 de junio de 2014 en Madrid.The Indian Summer Monsoon onset is one of the meteorological events most anticipated in the world. Due to its relevance for the population, the India Meteorological Department has dated the onset over the southern tip of the Indian Peninsula (Kerala) since 1901. The traditional method to date the onset was based in the judgment of skilled meteorologist and because of this, the method was considered subjective and not adequate for the study of long-term changes in the onset.Resumen del poster presentado a las I Jornadas Cientificas del CIAL celebradas el 5 de junio de 2014 en Madrid.Trabajo presentado en el European Workshop on Experimental and Behavioral Economics (EWEBE), organizado por la Universidad de Bologna los dias 26 y 27 de mayo de 2017 con el titulo: The impact of deliberative structures on voting behavio.--Trabajo presentado en los Bilkent Microeconomics Seminars organizados por la Bilkent University (Ankara, Turkey) el dia 29 de noviembre de 2017La compacidad del racimo es un rasgo de gran interes en la vid, dado que puede condicionar su calidad y rendimiento. Estos efectos se producen fundamentalmente a traves de su relacion, directa o indirecta, con la arquitectura del racimo, el comportamiento reproductivo y el grado o modo de exposicion de las bayas al ambiente. Respecto a los dos primeros, en un estudio previo, determinamos que tanto la longitud del raquis y sus primeras ramas como el numero de bayas por racimo son los caracteres con mayor incidencia en la compacidad entre los analizados. Ahora bien, el estudio de la base genetica responsable del numero de bayas requiere de su diseccion previa, dado que es una variable secundaria, resultado del numero de flores por inflorescencia y de la tasa de cuajado o conversion de flor en fruto. En este trabajo se presenta un estudio preliminar en el que se han caracterizado fenotipicamente 104 variedades de vid para estudiar su comportamiento reproductivo. Asi, sobre una base amplia de diversidad varietal, se han estimado variables como el numero de flores, la tasa de cuajado, corrimiento, millerandage, etc., evaluando su posible relacion con la compacidad del racimo. Este trabajo, una vez completado durante varios anos, permitira conocer la diversidad existente para el comportamiento reproductivo en la vid, asi como, de forma mas concreta, abordar la caracterizacion de los procesos geneticos responsables de las diferencias fenotipicas detectadas para el comportamiento reproductivo y sus elementos individuales y para la compacidad del racimo, identificando los posibles genes involucrados en dichos procesos.Trabajo presentado en la 11th International Conference on Grapevine Breeding and Genetics, celebrada en Pekin del 29 de julio al 2 de agosto de 2014.The Polarimetric and Helioseismic Imager (PHI) is the first deep-space solar spectropolarimeter, on-board the Solar Orbiter (SO) space mission. It faces: stringent requirements on science data accuracy, a dynamic environment, and severe limitations on telemetry volume. SO/PHI overcomes these restrictions through on-board instrument calibration and science data reduction, using dedicated firmware in FPGAs. This contribution analyses the accuracy of a data processing pipeline by comparing the results obtained with SO/PHI hardware to a reference from a ground computer. The results show that for the analysed pipeline the error introduced by the firmware implementation is well below the requirements of SO/PHI.This work has been financed within the framework of the projects P/309307 Arqueoastronomia of the IAC, and Orientatio ad sidera III (AYA2011-26759) of the Spanish MINECO. ACGG is Ramon y Cajal researcher of the MINECO.Este trabajo ha sido financiado por el proyecto RECUPERA 2020 del MINECO y EU-FEDER; y por el proyecto TRANS·FORMA (PP.TRA.TAA201600.9). La investigacion realizada por E. Rodriguez ha sido realizada gracias al programa DOC-INIA (INIA-FEDER).Trabajo presentado en el XXIV Congreso Iberoamericano de Catalisis (CICat 2014), “Catalisis para Biorrefineria”, celebrado en Medellin del 11 al 13 de septiembre de 2014.2 paginas y 1 tabla.- Trabajo presentado en el IX Congreso de Mejora Genetica de Plantas celebrado en Murcia entre el 18 y el 20 de septiembre de 2018.3 paginas, 1 tabla, 1 figura.--Trabajo presentado a las XVI Jornadas sobre Produccion Animal AIDA (Zaragoza, 19 al 20 de mayo, 2015).Poster presentado en el XVI International Clay Conference from the Oceans to Space Granada, Spain, July 17-21, (2017)XIII Reunion Iberica de Algas Toxicas y Biotoxinas Marinas (REDIBAL 2018) - XIII Reunion Iberica de Fitoplancton Toxico - XIII Iberian Toxic Algae and Marine Biotoxins Meeting, VI Simposio Internacional de Ciencias del Mar - VI International Symposium of Marine Sciences (ISMS 2018), 20- 22 June 2018, Vigo.-- 2 pagesThis research was financed with project AGL2011-22783 granted by the Spanish Ministry of Economy and Competiveness. M.C. Soto was supported by a CONACYT (Mexican Council of Sciences and Technology) doctoral fellowship.This work was supported by the Spanish Ministerio de Economia y Competitividad (grants CGL2012-36251 and CGL2015-64727-P to X.B., and BFU2010-15906 to JLM), and Catalan Government (2014 SGR 619). The research has also benefited from FEDER funds.Trabajo presentado en el IX International Symposium on Grapevine Physiology and Biotechnology, celebrado en La Serena (Chile) del 21 al 26 de abril de 2013.5 paginas, 4 figuras, 1 tabla.--Trabajo presentado a las: XLI Jornadas Cientificas y XVII Jornadas Internacionales de Ovinotecnia y Caprinotecnia. (Talavera de la Reina, Toledo, Espana, 14-16 septiembre, 2016).Se presenta una revisión histórica de los equinodermos Ordovícicos de Portugal. Todos los registros conocidos hasta el momento pertenecen al Ordovícico Medio-Superior (Darriwiliense-Katiense) y las asociaciones presentan gran diversidad aunque en general los taxones están poco o mal conocidos. La mayor parte de los yacimientos se concentran en las regiones de Amêndoa-Mação y Buçaco, aunque también existen citas de equinodermos en Arouca, Dornes, Moncorvo y Valongo. Por último se comentan futuras líneas de trabajo que ayudarán a comprender mejor estas faunas, perfeccionar y completar el conocimiento del registro fósil del grupo en el Ordovícico centroibérico. Ordovician echinoderms from Portugal: state of the artResumen del trabajo presentado al 37o Convegno Internazionale dei Docenti della Rappresentazione de la Unione Italiana Disegno (UDI), celebrado en Torino (Italia) del 17 al 19 de septiembre de 2015.Trabajo presentado al Danish Days on Caloric Materials and Devices, celebrado en Roskilde (Dinamarca) del 2 al 3 de octubre de 2017.Trabajo presentado en el ImageNano 2015 (Bringing together Nanoscience and Nanotechnology), celebrado en Bilbao del 10 al 13 de marzo de 2015.Este estudio ha sido financiado por el proyecto AGL-2012-40172-C02-01 del Ministerio de Economia y Competitividad (MINECO). AEF agradece al MINECO la financiacion de su contrato de investigacion (FPI).We present a detailed study of a X -ray selected sample of 5 submillimeter bright QSOs at


Agricultural Water Management | 2006

Comparative response of maize (Zea mays L.) and sorghum (Sorghum bicolor L. Moench) to deficit irrigation in a Mediterranean environment

Imma Farré; J.M. Faci

z\sim2


Agricultural Water Management | 2005

Day and night wind drift and evaporation losses in sprinkler solid-sets and moving laterals

E. Playán; Raquel Salvador; J.M. Faci; N. Zapata; Antonio Martínez-Cob; I. Sanchez

, where the highest rates of star formation (SF) and further growth of black holes (BH) occur. Therefore, this sample is a great laboratory to investigate the co-evolution of star formation and AGN. We present here the analysis of the spectral energy distributions (SED) of the 5 QSOS, including new data from Herschel PACS and SPIRE. Both AGN components (direct and reprocessed) and like Star Formation (SF) are needed to model its SED. From the SED and their UV-optical spectra we have estimated the mass of the black hole (


Agronomy Journal | 2000

Simulation of Maize Yield under Water Stress with the EPICphase and CROPWAT Models

J. Cavero; Inma Farre; Philippe Debaeke; J.M. Faci

M_{BH} = 10^9 - 10^{10} M_{SUN}


Irrigation Science | 2003

Wind effects on solid set sprinkler irrigation depth and yield of maize ( Zea mays )

Farida Dechmi; E. Playán; J. Cavero; J.M. Faci; Antonio Martínez-Cob

) and bolometric luminosities of AGN (

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E. Playán

Spanish National Research Council

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Antonio Martínez-Cob

Spanish National Research Council

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N. Zapata

Spanish National Research Council

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Eva T. Medina

Spanish National Research Council

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J. Cavero

Spanish National Research Council

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I. Sanchez

Spanish National Research Council

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Farida Dechmi

Spanish National Research Council

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R. Aragüés

Spanish National Research Council

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M. Tejero

Spanish National Research Council

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Raquel Salvador

Spanish National Research Council

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