Effect of Laser Irradiation and Rhizobium on Growth Parameters of Clover

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Abstract This study aims to study the effect of different combinations of Laser or/and Rhizobium on the growth parameters of clover plants. To carry out this study, irradiation of seeds by laser radiation and seeds incubation by Rhizobium combination with laser exposure times 5, 10, and 15 minutes compared to untreated seeds were used. Growth plants were cut four times during the growing season every 40–45 days, then growth parameters were measured. Obtained results showed that using treated seeds by combination laser exposed for 5 minutes and Rhizobium gave higher growth parameters followed by 10 minutes and control. While the exposure time of 15 minutes was less value. By using Laser excised times or/and Rhizobium, the results indicated that the growth parameters values of cover plants at irrigated with fresh water were higher than clover plants irrigated with groundwater. So, the authors recommended to use of irridiation by Laser beam and/or incubation by Rhizobium of clover seeds or any different seeds crops in order to improve vegetation and productivity of crops.

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