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Documents disponibles dans cette catégorie (124)
Article
S.K. Abd-Elmabod ; M. Muñoz-Rojas ; A. Jordán ; M. Anaya-Romero ; J.D. Phillips ; L. Jones ; Z. Zhang ; P. Pereira ; L. Fleskens ; M. van der Ploeg ; D. de la Rosa |Climate change impacts are a serious threat to food provisioning, security and the economy. Thus, assessing agricultural suitability and yield reduction under climate change is crucial for sustainable agricultural production. In this study, we u[...]Article
G. Coppola ; M. Costantini ; L. Orsi ; D. Facchinetti ; F. Santoro ; D. Pessina ; J. Bacenetti |In this study, the economic profitability of hazelnut production in central Italy using conventional and organic farming systems was evaluated using the costbenefit analysis methodology. Viterbos province is the leading province in Italy in te[...]Article
Most crop models were developed and tested in homogeneous field conditions. However, these crop models are increasingly applied beyond the field scale for larger regions. Inadequate representation of the spatial variability at a larger scale int[...]Article
D. Romic ; J. Karoglan Kontic ; D. Preiner ; M. Romic ; B. Lazarevic ; E. Maletic ; G. Ondrasek ; H. Andabaka ; H. Bakic Begic ; M. Bubalo Kovacic ; L. Filipovic ; S. Husnjak ; Z. Markovic ; D. Stupic ; I. Tomaz ; M. Zovko |Stony karst landscape in the Adriatic coastal area has been cultivated for centuries to grow Mediterranean crops. Shallow and less fertile soils were mostly used for rain-fed grapevine and olive production. Native grapevine cultivars are, in gen[...]Article
Wheat yield potentials under rainfed Mediterranean conditions have been long limited by late-in-season occurrence of enhanced water deficits and high temperatures, coinciding with sensitive reproductive stages. Present study aims to quantify and[...]Article
C. Papadaskalopoulou ; M. Moriondo ; I. Lemesios ; A. Karali ; A. Konsta ; C. Dibari ; L. Brilli ; K.V. Varotsos ; A. Stylianou ; M. Loizidou ; M. Markou ; C. Giannakopoulos |In this paper, the results of a climate change impact and vulnerability assessment conducted for the agricultural sector of Cyprus are presented. The assessment is based on the outputs of specialized climatic and crop models, while it incorporat[...]Article
H. Mairech ; A. López-Bernal ; M. Moriondo ; C. Dibari ; L. Regni ; P. Proietti ; F.J. Villalobos ; L. Testi |Olive (Olea europaea L.) is a widely spread tree species in the Mediterranean. In the last decades, olive farming has known major management changes with high economic and environmental impacts. The fast track expansion of this modern olive farm[...]Article
As the world population grows, so do the challenges facing global agricultural systems. Increasing production to satisfy the world's demand for food, fiber and energy intensifies pressure on natural resources, especially soil and water. To face [...]Article
Crop water production functions (quantifying crop yield as a function of irrigation rate) can help in the design of management systems that reduce the water footprint. We examined the role of parameter uncertainties in characterizing production [...]Article
In Tunisia, the development of the irrigation within the water scarcity context, remains one of the crucial issues of agricultural activity. The phenomenon of climate change is likely to make the problematic while threatening the country's food [...]Article
Les productions et les systèmes alimentaires évolueront en fonction de la démographie, du revenu des consommateurs mais aussi du changement climatique.Article
Predicting crop yield response to management and environmental variables is a crucial step towards nutrient management optimization. With the increase in the amount of data generated by agricultural machinery, more sophisticated models are neces[...]Article
Climate change, in addition to reducing rainfall and increasing temperature, has led to a decline in water quality and increased groundwater salinity in Iran. These factors have a negative effect on crop yields. Therefore, the assessment of the [...]Article
In Iran, due to arid and semi-arid climate, groundwater resources play an essential role in food production, as well as domestic and industrial water supply. In recent years, increasing population, scarcity of surface water resources, and effect[...]Article
Chemical fertilizers, pesticides, and fungicides are widely used in agriculture to improve crop yields. Most of the compounds used are synthetic, and their overuse causes environmental pollution and human health problems. Currently, several coun[...]Article
This study examines the scope and depth of research on the five major types of risks in agriculture, and the extent to which those studies have addressed the impacts of, and policies to mitigate individual types of risk as opposed to more holist[...]Article
En Tunisie, la culture de blé dur en irrigué est pratiquée sur une superficie moyenne annuelle de 48 700 ha, soit environ les deux tiers des superficies céréalières conduites en irrigué. Elle produit en moyenne 180 000 t,[...]Thèse, Mémoire, Master
Un des défis de lagriculture éco-efficiente est le développement des pratiques culturales permettant daméliorer le niveau de production agricole, de maximiser lefficience dutilisation des ressources et de réduire les impacts environnementaux[...]Article
P.S. Minhas ; T.B. Ramos ; A. Ben-Gal ; L.S. Pereira |Soil and water salinity and associated problems are a major challenge for global food production. Strategies to cope with salinity include a better understanding of the impacts of temporal and spatial dynamics of salinity on soil water balances [...]Article
Ce travail vise à expliciter linteraction entre les producteurs dolives, étant les acteurs sociaux, et les instruments entretenus par les acteurs publics dans le cadre de la politique publique de développement mise en uvre. Le résultat attein[...]Thèse, Mémoire, Master
Le blé dur (Triticum durum) représente la culture céréalière la plus importante en Tunisie aussi bien sur le plan économique que social. Actuellement, les principaux problèmes liés à la production de blé concernent la rentabilité économique, l'i[...]Thèse, Mémoire, Master
Ce travail a pour objectif dévaluer les systèmes de culture à base de blé dhiver et de maïs grain dans le gouvernorat de Louxor, et dadapter un modèle de culture (Cropsyst) aux conditions de culture de Louxor, afin de simuler leur comportemen[...]Article
Thèse, Mémoire, Master
Our study aims to simulate scenarios depending on the type of soil (low and high water retention capacity WHC), the type of rotation (2/3 years), and different management amounts (fertilization and irrigation) in the crop growth model CropSyst[...]Article
Face à un changement climatique sévère projeté, les agriculteurs dans les pays de lAfrique du Nord expérimentent habituellement des stratégies dadaptation basées sur la précocité du semis, lutilisation de variétés précoces et la fertilisation[...]Article
H. Bahri ; M. Annabi ; H. Cheikh Mhamed ; A. Frija |Several circulation models are forecasting climate changes in the Mediterranean region. Accordingly, it is expected that water scarcity in the region will be higher with drastic shifts of hydrological and erosive watershed responses. In Tunisia,[...]Article
A. Bonfante ; E. Monaco ; P. Manna ; R. De Mascellis ; A. Basile ; M. Buonanno ; G. Cantilena ; A. Esposito ; A. Tedeschi ; C. De Michele ; O. Belfiore ; I. Catapano ; G. Ludeno ; K. Salinas ; A. Brook |The efficient use of water in agriculture is one of the most significant agricultural challenges that modern technologies are helping to cope with through Irrigation Advisory Services (IAS) and Decision Support Systems (DSS). These last are cons[...]Article
Background: Climate change is on the rise due to continuous greenhouse gas emissions from anthropogenic activities ever since the industrial revolution. Changing weather conditions are likely to have consequences for horticulture. (2) Objective [...]Article
Under semi-arid conditions, water is the most limiting factor for ensuring the sustainability of Mediterranean agriculture. Proper management of practices such as irrigation, fertilization, and changes in sowing date and sowing density can contr[...]Article
Drylands, which represent the world largest biome and support approximately 38% of the global human population, offer harsh climate and poor soil for agriculture. These environmental conditions are expected to get even harsher with climate chang[...]Article
W. Sadok ; R. Schoppach ; M.E. Ghanem ; C. Zucca ; T.R. Sinclair |The beginning of the Arab Spring in 2011, a regional revolution which started in the Tunisian city of Sidi Bouzid in late 2010, occurred in part as a result of drought-triggered high wheat prices, which in the past led to bread riots across [...]Article
Il y a encore quarante ans, même trente, même vingt, le sol était, et est parfois encore aujourdhui, considéré comme un support de cultures, un substrat qui, sil était bien alimenté et travaillé en profondeur, pouvait accompagner le développem[...]Article
D. Cammarano ; S. Ceccarelli ; S. Grando ; I. Romagosa ; A. Benbelkacem ; T. Akar ; A. Al-Yassin ; N. Pecchioni ; E. Francia ; D. Ronga |Barley is an important cereal crop for the arid and semi-arid Mediterranean environments. Future climate projections show that Mediterranean countries will get drier and hotter. The objectives of the study are to: i) simulate the impacts of diff[...]Article
Crop yields are endogenous as long as economic agents adjust to permanent changes in expected prices. The literature, however, does not offer a definitive value of how much yield would change in response to sustained price changes. To fill the g[...]Article
The aim of the GREDRIP model (Part I) is to provide centralized management of an irrigation network, with a minimum energy cost at the pumping station, based on irrigation scheduling to guarantee crop water requirements in the irrigation network[...]Article
R. Erel ; A. Eppel ; U. Yermiyahu ; A. Ben-Gal ; A. Dag ; G. Levy ; I. Zipori ; G.E. Shaumann ; O. Mayer |Utilization of reclaimed wastewater (RWW) presents an alternative to irrigation of agricultural crops with fresh water (Fr), especially in dry areas characterized by water scarcity. While RWW often contains considerable amounts of valuable plant[...]Article
One of the challenges of eco-efficient agriculture is the development of operational farming practices to increase the level of agricultural production, maximize the efficiency of resource use and reduce environmental impacts. Based on the effic[...]Thèse, Mémoire, Master
Les cultures légumières sont dépendantes des apports en eau. Or, les aléas climatiques et les périodes de sécheresse fragilisent leur production. En Maine-et-Loire, le bassin de lAuthion est celui concentrant le plus de maraîchers. Mais, au vu [...]Thèse, Mémoire, Master
En Algérie, la céréaliculture est une filière stratégique qui constitue lépine dorsale du système alimentaire du pays. Par ailleurs, les importations qui ne cessent de saccroître considérablement en raison dune galopante démographie additionn[...]Thèse, Mémoire, Master
La réduction de la dépendance de lagriculture aux pesticides est lobjectif majeur du plan ECOPHYTO. Laugmentation de la conscience des effets néfastes des produits phytosanitaires incite les agriculteurs à adopter dautres techniques alternat[...]Thèse, Mémoire, Master
A. Nasrallah | 2019With global production exceeding 750 million tons in 2017, wheat is considered a staple food for the world's population. Wheat mapping and monitoring could then be a very effective tool for achieving the Sustainable Development Goals (SDG2-Zero [...]Thèse, Mémoire, Master
La fertilisation azotée est un levier primordial pour la culture de blé. Sa maîtrise permet doptimiser le rendement et la teneur en protéine, tout en minimisant les pertes azotées vers lenvironnement. La méthode du bilan, actuellement utilisée[...]Thèse, Mémoire, Master
La séquestration du carbone par les racines des céréales est globalement peu étudiée. Cest en ce sens que notre travail tente de faire une analyse exploratoire par expérimentation, modélisation et débat entre experts afin de quantifier la teneu[...]Article
En Tunisie la production du blé dur demeure faible et variable dune région à une autre et dune année à une autre. Le rendement du blé dur est fortement influencé par les conditions climatiques, notamment la pluviométrie annuelle et[...]Article
La région de Jijel, dans le Nord-Est algérien, possède un important potentiel naturel oléicole favorisant une activité économique importante autour de ce produit, notamment dans le milieu rural. Néanmoins, la production des exploitations de la r[...]Rapport, Expertise, Working Paper
Plant Protection Products (PPPs) are often perceived by citizens as very harmful for human health and for the environment. The tendency in EU policy is to stimulate reduction in use of PPPs. Can we maintain high yield while using less PPPs? This[...]Article
B. Dubos ; V. Baron ; X. Bonneau ; O. Dassou ; A. Flori ; R. Impens ; J. Ollivier ; L. Pardon |Predicting the fertilizer requirements of an oil palm plantation has long been a difficult task. Two main methods have emerged. Leaf analyses (LA) were used for fertilization management as early as the 1950s. Leaf contents are compared to optimu[...]Article
Le réseau Dephy Expe est un dispositif qui vise à produire des connaissances sur la réduction de lusage des produits phytosanitaires par lexpérimentation de systèmes de culture innovants. Les premiers résultats obtenus pour la filière arboricu[...]Article
Article
F. Bareille ; E. Letort |Previous studies on the productive value of biodiversity have emphasised that crop diversity increases crop yields. Here, we focus on the management of crop biodiversity for wheat, winter barley and rapeseed productions. We introduce productive [...]