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Dynamics of chemical microcontaminants in peri-urban agriculture and evaluation of their potential impact on crops and human health
(Universitat Politècnica de Catalunya, 2018-11-27)
Tesi.
Accés obert
Tesi.
Accés obert
Peri-urban agriculture carries out environmental, social and economic functions and services to the nearby urban areas. Nonetheless, most of these fields are impacted with organic and inorganic contaminants caused by ...
Hydrodynamic characterisation of aquaculture tanks and design criteria for improving self-cleaning properties
(Universitat Politècnica de Catalunya, 2008-09-10)
Tesi.
Accés obert
Tesi.
Accés obert
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 ...
Individual-based observations and individual-based simulations to study Saccharomyces cerevisiae cultures
(Universitat Politècnica de Catalunya, 2014-12-09)
Tesi.
Accés obert
Tesi.
Accés obert
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, ...
Biological control approaches of Meloidogyne spp. in vegetable crops : from application of selected antagonists to suppressive soils
(Universitat Politècnica de Catalunya, 2020-07-27)
Tesi.
Accés obert
Tesi.
Accés obert
Root-knot nematodes (RKN), Meloidogyne spp., are the most economically important genus of plant parasitic nematodes that cause considerable damage and yield losses of horticultural crops worldwide. RKN management strategies ...
Natural enemies for the conservation biological control of Myzus persicae in Mediterranean peach orchards
(Universitat Politècnica de Catalunya, 2019-07-23)
Tesi.
Accés obert
Tesi.
Accés obert
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 ...
Clogging in horizontal subsurface flow constructed wetlands: mesures, design factors and prevention strategies
(Universitat Politècnica de Catalunya, 2010-11-04)
Tesi.
Accés obert
Tesi.
Accés obert
Constructed wetlands are alternative systems to conventional wastewater treatment for small communities
(up to 2000 PE). This is mainly due to that operation and maintenance costs are reduced.
Despite the advantages, the ...
Flowering native weeds for the conservation of wild pollinators in agroecosystems
(Universitat Politècnica de Catalunya, 2018-06-29)
Tesi.
Accés obert
Tesi.
Accés obert
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 ...
Fate and effects of waterborne contaminants of emerging concern in the soil-plant system : impact of biochar soil amendment to mitigate their plant uptake
(Universitat Politècnica de Catalunya, 2017-07-14)
Tesi.
Accés obert
Tesi.
Accés obert
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 ...
Population dynamics of Meloidogyne spp. on tomato and cucumber and biologically-based management strategies
(Universitat Politècnica de Catalunya, 2016-12-21)
Tesi.
Accés obert
Tesi.
Accés obert
The general objective of the thesis was to determinate the population dynamics of Meloidogyne on tomato and cucumber, the yield losses caused by the nematode and the effect of biologically-based management strategies to ...
Can social capital help Indian smallholder farmers? Analysis of its impact on rural development, agricultural efficiency, production and risk
(Universitat Politècnica de Catalunya, 2016-04-26)
Tesi.
Accés obert
Tesi.
Accés obert
This research project intends to investigate empirically the potentials of Social Capital to act as a mechanism to improve the performance of India's small-holder agriculture.
The study employs both a qualitative and ...