In Europe, the cultivation of blood oranges for fresh consumption is increasing due to their excellent organoleptic and nutraceutical properties, which give this fruit the status of functional food. Blood orange has a higher content of bioactive compounds, which confer additional benefits for human health. The main morphological and qualitative parameters were studied together with the content of primary metabolites by 1H NMR and secondary metabolites by HPLC-ESI-DAD-MSn from eight varieties of blood orange grafted on Citrus macrophylla. Tarocco Dalmuso was the variety with the highest values of weight (350.6 g), caliber (86.4 mm and 88.6 mm) and juice content (214.2 g). Tarocco Gallo obtained the most interesting qualitative parameters (13.95 °Brix; 22.75 MI). The most intense red juice was in Sanguinelli (a* = 9.45) and, in crust, it was in Tarocco Scirè (a* = 40.13). The most abundant primary metabolites were proline, aspartate and asparagine, citric acid and sucrose. The results showed that the juice of the Moro had the highest levels of total flavones and flavanones (90.07 and 592.88 mg L−1, respectively), and Sanguinelli in total anthocyanins (101.06 mg L−1). To conclude, Tarocco Dalmuso obtained the best values of agronomic parameters, and Moro and Sanguinelli in the content of phenolic compounds.
Farming cooperative credit sections are financial instruments set up within a cooperative and at its service. They are key funding tools in rural areas and have been developed all over Spain although more intensely in some areas than others. The aim of this paper is to carry out a strategic diagnosis of the Spanish credit section using a SWOT Analysis to discover its set of strengths, weaknesses, opportunities and threats, as well as a proposal for strategic actions to be followed. In order to do so an empirical study using personalized surveys and interviews has been undertaken among the managers or persons in charge of the credit sections over the first half of 2008. The study demonstrates that they are efficient entities for their clients (cooperative members). Their main strengths are focussed on their clients, although they show significant weaknesses in organizational, business and technological capacities, which require an effort to provide them with more professional management. Legal constraints are the main threat at present, although uncertainty in the agricultural sector affects their survival.
Agriculture is an activity linked to the environment and has a great influence on climate change. As more and more crops are producing in less time, agricultural production is intensified and water consumption and energy demand is increasing. Since the energy consumed is not renewable, greenhouse gases (GHG) are emitted and their concentration in the atmosphere increases. The objective of this article is to apply various methodologies for the precise quantification of the carbon dioxide equivalent (CO2-eq) and GHG emissions in the management of irrigation water and energy in ten water user’s associations (WUAs) in the southeast of Spain. All the studied WUAs include irrigation facilities. This paper is based on obtained data in different water and energy audits during 2017. The concept of “irrigation water management” considered in the article covers the process from its extraction through management data to its transport and application to crops through irrigation systems, as well as the reception of water. The way in which water and energy is used to irrigate crops is taken into account. Moreover, the type of energy used for irrigation and at what moment energy is demanded influence the total amount of generated GHG emissions. The tariff periods for electricity and the water needs of the crops planted also has to be taken into account, as well as the economic emissions valuation.
Resumen -En el presente artículo se revisan los usos que pueden tener las aguas regeneradas en agricultura y con una fi nalidad medioambiental. Aunque tras un correcto tratamiento de depuración las opciones de uso de las aguas residuales son muchas, se destinan mayoritariamente a una fi nalidad agraria. Las ventajas de regar con esta fuente complementaria de agua es que se reduce la sobreexplotación de los acuíferos y se puede aprovechar la carga nutricional del agua para disminuir la cantidad de fertilizante aportado. En las próximas décadas parece que además de en agricultura, las aguas regeneradas cada vez se utilizarán más para diferentes usos urbanos y ambientales. A nivel medioambiental, las aguas depuradas facilitan el mantenimiento de los humedales y los caudales mínimos ecológicos. Palabras clave: depuración de agua, agua regenerada, agricultura de regadío, humedales, sostenibilidad ambiental Abstract -This article analyses reused water for agricultural and environmental purposes. After proper purifi cation treatments have been applied there are many options available for the use of the reclaimed wastewater, but most of it is used in agriculture. It is possible to reduce the overexploitation of
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