Investigate and feasibility of the Paspalum notatum lawngrass irrigation by sea water in coastline region

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Research Paper 01/07/2015
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Investigate and feasibility of the Paspalum notatum lawngrass irrigation by sea water in coastline region

Reza Amareh, Hamid Reza Miri, Mohammad Saeid Tadaion
J. Bio. Env. Sci.7( 1), 88-96, July 2015.
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Water shortages and excessive exploitation of underground resources led to reduction of irrigation water and use of unconventional waters will increase. In order to investigate and feasibility of the Paspalum notatum lawngrass, irrigation by sea water in coastline region, an experiment based on a randomized complete block design with 3 replications was conducted in Bushehr, Iran. Treatments consisted of 6 levels of saline and fresh water at 0, 20, 40, 60, 80 and 100% concentrations, respectively. The overall evaluation of experimental traits revelead that Paspalum notatum lawngrass, irrigation by different percentages of seawater gradually causes, there were no differences between the growth of plant to compare to control trait. This result was observed at 80% seawater irrigation. Growth of Paspalum notatum lawngrass with 100% seawater irrigation had decreased. Maximum leaf chlorophyll index of lawngrass with 40% seawater irrigation was obtained. Also, the amount of chlorophyll grass in the same plots that irrigated with 60% seawater had not significant differences and there were in same statistical group. With the increase of seawater from 80 to 100 % the amount of chlorophyll content was decreased. The chlorophyll concentrations in control and 20% seawater treatments had not significant differences compere to other treatments. In general, it can conclude that gradual irrigation with 80% seawater was proper treatment for maintenance of Paspalum notatum lawngrass.


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