The following information was submitted:
Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 32-209
Full Name: Maria Neves
Position: Assistant Professor
Age: ON
Sex: Female
Address: Universidade do Algarve, Campus de Gambelas, 8005-270 Faro
Country: PORTUGAL
Tel: 351 289800900
Tel prefix:
Fax: 351289818419
E-mail address: maneves@ualg.pt
Other E-mails:
Title of the Paper: Salt removal potential of turfgrass in golf courses in the mediterranean basin
Authors as they appear in the Paper: Jose Beltrao, Alcinda Neves, Joao Carrasco de Brito, Jose Seita
Email addresses of all the authors: jbeltrao@ualg.pt, maneves@ualg.pt, jbrito@ualg.pt, zeseita@hotmail.com
Number of paper pages: 10
Abstract: In Mediterranean climate available water is the limiting factor of plant productivity. Hence, due to the lack of water in the Mediterranean regions, potable water luxurious uses – are increasingly contested. In order to solve this problem, non-conventional water resources, like treated wastewater, drainage water and brackish water resources are gaining increasing role in the planning and development of water supplies in the irrigation of golf courses. Generally all these non-conventional water resources are saline. Hence, the application of excessive amounts of freshwater in saline soils and the heavy use of fertilizers are techniques used to mitigate soil salinity and to increase the salt tolerance of turfgrass in golf courses. However, the intense use of these conventional techniques has attracted public attention due to the environmental pollution and the contamination of groundwater resources. In recent years, a new environmentally safe and clean technique, whe!
reby the salt (ion) removing species are planted in the salt-affected soils, has been introduced to mitigate the salinity problems. The salt removal potential of several turfgrass cultivars was evaluated for their efficiency to remove salts (ions) from the soils under this study. Hence, chloride concentration of leaves was the studied indicator, once that chlorides are the most representative salts in this region, due to seawater intrusion. Plant collection was conducted in several golf courses in Algarve, the southern region of Portugal. Results of this study show that Lolium perenne 'Brighstar' tissues accumulated the largest amounts of chloride leaves, followed by a Cynodon dactylon chance hybrid 'Tifway 419'. Hence, both could become potential cultivars, which could be used to control and to combat salinity in the golf courses of the Mediterranean regions in order to rehabilitate saline soils, in association to other techniques
Keywords: Soil salinity, Conventional techniques, Phytoremediation, salt removing turfgrass cultivars, Chlorides, Salt extraction
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