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Information Journal Paper

Title

INVESTIGATION OF ALTERNATE IRRIGATION STRATEGIES USING SALINE AND NON-SALINE WATER ON YIELD AND WATER PRODUCTIVITY OF GRAIN MAIZE IN DRIP IRRIGATION

Pages

  1-10

Abstract

 A field experiment was conducted using a completely randomized block design, in three replications with seven treatments in three replications for two successive growing seasons of CORN crop. Treatments were comprised of: T1 and T2 (50% of T1): full and DEFICIT IRRIGATION with non-saline water, respectively; T3 and T4: variable and fixed full irrigation with saline-non SALINE WATER in every other row, respectively; T5 and T6: fixed and variable DEFICIT IRRIGATION with non-saline water in every other row, respectively and T7: full irrigation with SALINE WATER. Irrigation water salinity for non-saline vs. saline treatments were 8 and 1.5 dS/m, respectively. The results showed that instead of DEFICIT IRRIGATION with non SALINE WATER using alternate furrow irrigation, if not irrigated furrows are irrigated with SALINE WATER, are more effective when they are compared with DEFICIT IRRIGATION. In DEFICIT IRRIGATION treatments 29 and 36 % and in T3 and T4 about 50 % of fresh water was saved in 2012 and 2013, respectively. The quantitative comparison have shown a significant reduction in maize yield by 22% with DEFICIT IRRIGATION scenarios (T2, T5 & T6) when compared with salinity treatments (T3 & T4). In terms of water use efficiency, the results indicate that if fresh and SALINE WATER are of the same worth, DEFICIT IRRIGATION treatments have the highest water productivity and not significantly different from T1 treatment. However, water use efficiency is assessed as on the basis of fresh water, treatments T3 and T4 are of higher water use efficiency than the others and, therefore the criteria above have been selected as the preferred option. However, water use efficiency is evaluated as on the basis of fresh water, the efficiencies of water use in treatments T3 and T4 are higher than those in the others and therefore, they will be selected as the most acceptable options.

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    APA: Copy

    KIANI, ALI REZA, & MOSAVAT, AFSHIN. (2015). INVESTIGATION OF ALTERNATE IRRIGATION STRATEGIES USING SALINE AND NON-SALINE WATER ON YIELD AND WATER PRODUCTIVITY OF GRAIN MAIZE IN DRIP IRRIGATION. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 46(1), 1-10. SID. https://sid.ir/paper/225808/en

    Vancouver: Copy

    KIANI ALI REZA, MOSAVAT AFSHIN. INVESTIGATION OF ALTERNATE IRRIGATION STRATEGIES USING SALINE AND NON-SALINE WATER ON YIELD AND WATER PRODUCTIVITY OF GRAIN MAIZE IN DRIP IRRIGATION. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2015;46(1):1-10. Available from: https://sid.ir/paper/225808/en

    IEEE: Copy

    ALI REZA KIANI, and AFSHIN MOSAVAT, “INVESTIGATION OF ALTERNATE IRRIGATION STRATEGIES USING SALINE AND NON-SALINE WATER ON YIELD AND WATER PRODUCTIVITY OF GRAIN MAIZE IN DRIP IRRIGATION,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 46, no. 1, pp. 1–10, 2015, [Online]. Available: https://sid.ir/paper/225808/en

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