Now showing items 21-40 of 57

    Fate and effects of waterborne contaminants of emerging concern in the soil-plant system : impact of biochar soil amendment to mitigate their plant uptake 

    Hurtado Cervera, Carlos (Date of defense: 2017-07-14)

    Water scarcity is an issue of global concern due to the increase of the population and the climate change, which both increase the water demand. Many arid and semiarid countries are facing high water stress and the use of ...

    Filogènia i variabilitat genètica de les varietats tradicionals de tomàquet (Solanum lycopersicum L.) Montserrat/Pera de Girona i Penjar: estratègies per a la millora de la seva qualitat organolèptica 

    Casals Missio, Joan (Date of defense: 2012-07-27)

    Tomato landraces are highly appreciated by consumers in the market. The main reasons are the presumed superior organoleptic quality with respect to modern cultivars, as well as the widespread perception that landraces are ...

    Flowering native weeds for the conservation of wild pollinators in agroecosystems 

    Morrison, Jane H. (Date of defense: 2018-06-29)

    Concerns about a global decline in pollinators have called for more knowledge about the drivers of wild pollinator abundance and diversity in agroecosystems. Agricultural intensification has been identified as the main ...

    Freeze concentration of cofee extract : study of block and fallling-film techniques = Crioconcentración de extracto acuoso de café : estudio de las técnicas de bloque total y película descendente 

    Moreno Moreno, Fabián Leonardo (Date of defense: 2014-11-05)

    Coffee is the most traded food in the world. The coffee industry has a great economic and social relevance worldwide. The sensory and functional properties of the product are highly important for the consumers, and therefore, ...

    Growth and size variation of Senegalese sole (Solea senegalensis) 

    Sánchez Fernández, Pablo (Date of defense: 2012-11-19)

    Senegalese sole (Solea senegalensis) is a flatfish of high commercial importance in Southern Europe that has been a promising species for diversifying Mediterranean aquaculture since early 1980's. It has failed to reach ...

    Hydrodynamic characterisation of aquaculture tanks and design criteria for improving self-cleaning properties 

    Masaló Llorà, Ingrid (Date of defense: 2008-09-10)

    El propòsit del treball es caracteritzar hidrodinàmicament els tancs més utilitzats en el sector aqüícola, i donar pautes de disseny per millorar-ne l'autoneteja, i optimitzar l'eficiència d'utilització tant de l'espai com ...

    Improvement of spray application process in greenhouse tomato crop : assessment of adapted spraying technologies and methods for canopy characterization 

    Llop Casamada, Jordi (Date of defense: 2017-07-20)

    Vegetable production in greenhouses is an important and productive economic activity for agricultural businesses in Southern Europe. One of the most risky factors affecting this activity is the use of plant protection ...

    Improving monitoring and management of low-lying coastal areas with Sentinel-2 data: the Ebro Delta showcase 

    Soriano González, Jesús (Date of defense: 2023-04-28)

    (English) Coastal areas support important ecosystems with great ecological value, giving rise to countless resources increasingly exploited by humans. Understanding the processes occurring in both inland and aquatic ...

    Indicadors de qualitat bioquímica, relacionats amb el cicle del carboni, en la restauració de sòls amb fang de depuradora sotmès a assecatge tèrmic i a compostatge 

    Jiménez de Ridder, Patrícia (Date of defense: 2014-07-29)

    In our work we studied some aspects of biochemical quality in the rehabilitation process of degraded soils through the application of sewage sludge. As biochemical quality parameters we focused on the carbon cycle, through ...

    Individual-based observations and individual-based simulations to study Saccharomyces cerevisiae cultures 

    Portell Canal, Xavier (Date of defense: 2014-12-09)

    Saccharomyces cerevisiae is one of the yeasts with major economic, social, and health significance in human culture. Depending on the growth conditions experienced by the cell, S. cerevisiae growth can proceed via fermentative, ...

    Influence of agricultural practices on the microbiome and the antibiotic resistance gene complement in soils, plants, and crops 

    Cerqueira, Francisco Diogo de Almeida (Date of defense: 2020-06-08)

    Antibiotic (AB) Resistance is an increasing global problem for public health, with multi-resistant bacteria persisting and spreading not only in clinical settings but also in the environment. One of the possible vectors ...

    Influence of the characteristics of organic matter on the efficiency of horizontal subsurface-flow constructed wetlands 

    Caselles Osorio, Aracelly (Date of defense: 2007-01-12)

    Los sistemas de humedales construidos de flujo subsuperficial horizontal (HCFSS) constituyen una tecnología válida para la depuración de aguas residuales urbanas. Uno de los principales objetivos de estos sistemas es ...

    Lixiviados en horticultura intensiva ornamental y su tratamiento mediante humedades artificales 

    Narváez Torres, Lola (Date of defense: 2012-07-09)

    Nurseries growing potted ornamental plants carry an important activity in the overall agricultural production in Catalonia. As a result of the activity developed and agricultural practices adopted by nursery growers ...

    L’agricultura en els espais metropolitans : el cas de la Regió Metropolitana de Barcelona 

    Recasens Gracia, Francisco Javier (Date of defense: 2020-09-16)

    Urban agriculture is defined, as the agricultural and livestock activities that are carried out within or around cities. FAO's definition includes those services offered by agrarian activity that benefit the society. In ...

    Manejo integrado de plagas en legumbres almacenadas mediante el uso de atmósferas modificadas y de control biológico 

    Iturralde García, Rey David (Date of defense: 2020-07-24)

    Spain is one of the main producing countries of chickpeas and beans in Europe and is also the main importer. Nowadays, pest control is mainly based on the application of phosphine. However, the risks on human health and ...

    Meloidogyne species in cucurbit crops : characterization and quantification of the host-parasite relationship 

    López Gómez, Manuel Francisco (Date of defense: 2015-07-24)

    The infection process of Meloidogyne arenaria, M. incognita and M. javanica was compared on zucchini squash, cucumber, melon, pumpkin and watermelon in a growth chamber. All cucurbits were susceptible to the three isolates ...

    Micropropagació de Cynara scolymus CV. "Blanca de tudela": condicionants del procés i aproximació a la caracterització anatòmico-fisiològica en les diferents fases de cultiu 

    Cañameras, Núria (Date of defense: 1990-01-01)

    Se estudia la respuesta a diferentes tratamientos en la micro propagación de Cymara Scolymus i la evolución de las características físico-anatómicas en las diferentes fases. La mayor respuesta morfogenetica durante la fase ...

    Millora de la qualitat sensorial i nutricional de les varietats tradicionals hortícoles: el cas del calçot (Allium cepa L.) 

    Sans Molins, Sílvia (Date of defense: 2019-10-31)

    Sensory and nutritional quality are key elements for consumers, providing added value to agri-food products. However, there is a general perception that horticultural products have lost their quality, especially their ...

    Millora genètica del calçot (Allium cepa L.) : desenvolupament d'eines de selecció i aplicació a l'obtenció de nous cultivars 

    Simó Cruanyes, Joan (Date of defense: 2013-11-14)

    Els calçots, tiges florals immadures de la ceba (Allium cepa L.), són un cultiu típic de Catalunya i juguen un paper important en l’agricultura catalana. Es calcula que la producció de la campanya 2012-2013 va ser d’uns ...

    Natural enemies for the conservation biological control of Myzus persicae in Mediterranean peach orchards 

    Aparicio del Moral, Yahana Michelle (Date of defense: 2019-07-23)

    Peach and nectarine tree belongs to the species Prunus persica and is the third most produced fruit species in the world. Within Europe, Spain is a leading producer. Most of the crops are located in Catalonia (northeastern ...