Now showing items 1-20 of 70
Lomeña-Gelis, Mònica (Date of defense: 2015-07-28)
Evaluation is the systematic determination of the merit, worth and significance of a programme, initiative or intervention. As a young discipline, its empirical study is still limited, especially in Francophone Africa. ...
Gracia Romero, Adrián (Date of defense: 2021-06-17)
Supplying sufficient food to an increasing population is one of the most important challenges over the next century. To meet this demand, crop productivity will need to increase while it is being threatened by climate ...
Perxacs Motgé, Helena (Date of defense: 2017-01-20)
Davant dels reptes socioambientals actuals, apareixen diversos actors i iniciatives que plantegen una nova manera de viure més connectada amb la natura i la comunitat. Aquestes noves pràctiques van configurant, de mica en ...
Padró i Caminal, Roc (Date of defense: 2018-02-15)
The fundamental objective of this thesis is setting up a model to optimize the functioning of agricultural activity at the landscape level. It is a thesis with a strong methodological component. However, to base how the ...
Cadavid Tobón, Ana Maria (Date of defense: 2019-02-15)
The aim of this doctoral thesis was to evaluate the application of microbial transglutaminase (MTGase), produced by BDF Natural Ingredients, in the manufacture of acid and enzymatic coagulation fresh cheeses. In the case ...
González Royo, Elena (Date of defense: 2015-03-26)
El present treball aborda l'estudi de com es poden pal•liar els efectes del canvi climàtic en l'elaboració de vins escumosos i en vins negres mitjançant les eines que actualment la biotecnologia ens ofereix. Per això en ...
Emam Hebishy, Essam Hassan (Date of defense: 2013-09-16)
The overall goal of the present PhD thesis was to study some factors related to the choice of emulsifier (whey protein isolate or sodium caseinate) concentration, oil-phase volume fractions (10-50%) and homogenization ...
Solà Cassi, Mireia (Date of defense: 2018-01-19)
Stored products include all postharvest agricultural foodstuffs that do not require refrigeration and that can be preserved for several months under proper conditions as cereal grain and other raw material or processed ...
Pereira Andrade, Edilene (Date of defense: 2022-06-10)
L'agricultura juga un paper important a !'hora de sostenir els aliments, esta fortament relacionada amb molts reptes de sostenibilitat com el canvi climatic, l'escassetat d'aigua, la pobresa i la inseguretat alimentaria. ...
Rubiño Campoy, Susana (Date of defense: 2023-07-28)
Macroalgae have been recognized as an interesting source of compounds with multiple applications in different fields due to their various bioactivities since current trends are moving towards the use of alternative compounds ...
Jové Martín, Patricia (Date of defense: 2016-01-20)
The main objective of this thesis is to characterize and evaluate the capacity of cork and by-products of the cork industry (collectively called as cork samples) as biosorbents of aqueous polycyclic aromatic hydrocarbons ...
Avitia Rodríguez, Jessica Alejandra (Date of defense: 2012-07-04)
The aim of this thesis is to investigate Spanish consumers purchase motivations and behavior towards organic food by means of determining the key factors that take part on building their behavior. An important contribution ...
Comas i Angelet, Jordi (Date of defense: 1991-12-17)
En la zona de regadio de Lleida, los pulgones de cereales Rhopalosiphum padi (l.) y Sitobion avenae (f.) permanecen a lo largo de todo el año en gramineas cultivadas en la zona; cereales forrajeros, cereales de invierno y ...
Juan Blasco, María Auxiliadora (Date of defense: 2012-12-03)
La mosca Mediterránea de la fruta, Ceratitis capitata (Wiedemann) (Diptera: Tephritidae), es una plaga endémica en las áreas de frutales y cítricos del Mediterráneo. Los programas actuales de manejo integran junto al ...
Hernández Romero, Oliverio (Date of defense: 2001-12-21)
Durante las últimas décadas se han realizado cambios profundos en los modelos de financiamiento rural en México y en el mundo. Los resultados en el desarrollo de mercados financieros muestran un panorama cada día más ...
Navarro Arenas, Miriam (Date of defense: 2021-10-07)
El aumento de la población mundial en las últimas décadas, junto con la disminución de las tierras cultivables, ha puesto de manifiesto la necesidad de aumentar la producción agrícola para satisfacer la creciente demanda ...
Harbi, Ahlem (Date of defense: 2017-02-24)
Ceratitis capitata Wiedemann (Diptera: Tephritidae) is a cosmopolitan pest, originary from West-Africa, that has invaded almost all the temperate and tropical countries by the unwanted aid of the men. During its adaptation ...
Marco Lafuente, Inés (Date of defense: 2018-02-16)
This PhD dissertation is part of an international research project, Sustainable Farm Systems, which seeks to analyze pre-industrial to industrial agriculture transition from a biophysical perspective. The main objective ...
Álvarez Martínez, Javier (Date of defense: 1994-04-21)
Les característiques orogràfiques i climàtiques del territori espanyol exigeixen que la utilització del sòl en gran part del mateix, degui portar-se a terme amb un criteri de conservació dels recursos. La seva òptima gestió ...
Bosch Serra, Dolors (Date of defense: 2017-12-13)
La carpocapsa, Cydia pomonella (L.) (Lepidoptera: Tortricidae), és una de les plagues més importants del cultiu dels fruiters de pinyol, principalment de la pomera. A la zona fructícola de Lleida, a l’igual que a la majoria ...