Search results for "IRRIGATION"

Plant and soil responses to deficit and saline irrigation under field irrigated conditions in a sicilian vineyard

2009

L'incremento della sostenibilità ambientale attraverso una corretta gestione dell'irrigazione.

2014

Lo scopo di questo lavoro è quello di mettere a punto, a partire dalle informazioni territoriali quali caratteristichemeteorologiche e pedologiche, uno studio capace di valutare la sostenibilità della gestione irrigua in tre ipotetiche parcelle sperimentali individuate nel territorio del sottobacino Iudeo-Bucari (TP). Sitratta di tre vigneti che rappresentano per caratteristiche morfologiche e gestionali l'intero sottobacino, ovvero una delle aree maggiormente vitate della Sicilia. Il fine è valutare la sostenibilità della gestione irrigua in termini di risparmio energetico, attraverso l'applicazione del modello di bilancio idrico FAO 56. Questo tipo di studio pone le basi per la redazione …

Saline soil irrigated with non saline water: qualitative and quantitative response of Nero d'Avola cultivar and vinification result, in a warm-arid e…

2008

A new record of the desert truffle Picoa lefebvrei in Saudi Arabia

2012

A new record of Picoa lefebvrei from Saudi Arabia is reported accompanied by notes on its taxonomy, ecology, and distribution.

DIVERSITÀ BIOCULTURALE DI ALCUNI PAESAGGI MEDITERRANEI DI MONTAGNA

2016

The work presents a biocultural diversity interpretation of traditional Mediterranean agricultural landscapes. These landscapes are the result of complex interactions between biodiversity (at all levels, including species richness, ecosystem and biotope diversity) and cultural diversity, including material and immaterial aspects (architectural heritage, traditions, customs, local traditional agricultural practices, dialectal culture, etc.). The main theme is the traditional use of water related to traditional hydraulic systems, which in some areas date back to medieval times. Traditional agricultural landscapes grant a variety of ecosystem services and play a key role in biodiversity conser…

BioCultural Landscapes per la rigenerazione innovativa dei territori di montagna

2017

Simplification of agricultural systems, farmland abandonment, uncontrolled urbanization, together with global scale drivers, determine fast and unpredictable phenomena of hydrogeological instability, biodiversity decline and identity loss. Men should hence promote socio-economic resilience and place identity, using biocultural landscapes as a resource. These landscapes are the outcome of the historical relationship between man and nature, resulting from complex interactions between biodiversity (at all levels, including species richness, ecosystem and biotope diversity) and cultural diversity, including material and immaterial aspects (architectural heritage, traditions, customs, local trad…

Carbon and nitrogen isotopic values in Lithops aucampiae during leaf development.

2021

Abstract Lithops (Aizoaceae) are succulent plants consisting of a pair of opposite succulent leaves inserted on an extremely short stem. The apical meristem produces a new leaf pair that develops between the older pair, recycling water and metabolites. This peculiar anatomy and growth form make ecophysiological studies quite challenging. Lithops are considered to have CAM metabolism, though experimental evidence is scarce. We followed the changes in carbon and nitrogen isotopic values in mature leaves, young leaves and roots, with the aim of investigating how the use of resources is optimized to achieve survival in extremely arid environments. Two-year-old plants of Lithops aucampiae were g…

Assessing actual evapotranspiration in irrigation districts using Landsat TM images and SEBAL model: Potential uses for irrigation monitoring

2018

Satellite imagery allows the observation of large land stretches and the acquisition of worthwhile information that can be used efficaciously in agro-hydrologic systems. On the other hand, remotely sensed data coupled with energy balance models represent reliable tools to estimate actual evapotranspiration (ET). Objective of the research was to propose a methodology to estimate ET by using Landsat TM images and surface energy balance, thus allowing the monitoring of current irrigation practices and/or possible vegetation stress. The proposed methodology was applied in an irrigation district managed by “Consorzio di Bonifica Agrigento 3”, Castelvetrano, Sicily (Italy), in which water is dist…

Advances in designing drip irrigation laterals

2018

It is known that using paired laterals, in which two distribution pipes extend in opposite directions from a common manifold, contribute to increasing water use efficiency (WUE). Recently, an analytical procedure to optimally design paired drip laterals on uniform slopes was proposed. More recently, this design procedure was simplified by deriving simple explicit relationships, as a function of 16 calibration constants, with relative errors that were less than 2%. In this paper, further simple design relationships are derived that require only 3 calibration constants, thus more readily obtainable results are produced and the influence of the flow rate and diameter exponents of resistance eq…

Conflictividad social en torno a los azudes del Júcar a finales del siglo XVI. Un problema recurrente por la gestión del agua

2015

[EN] The uses of water resources of the river Júcar have been a recurring element of conflict throughout the history that, at some times, deepened. This is what happened between the late sixteenth century and early seventeenth centuries, coinciding with climatic variations derived from the Little Ice Age. The building of dams, specks and other structures to slow the free flow of the river produced a clash of interests in different aspects such as economic, political or jurisdictional between the different towns of the area of the Ribera del Júcar (Carcaixent versus Alzira, Alzira versus Sueca…) channelled largely through the courts of the kingdom. This paper seeks to analyse these disputes …