EFFECT OF DEFICIT IRRIGATION ON YIELD AND WATER USE EFFICIENCY OF POTATO CULTIVAR SANTEH

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BAHRAMLOU R.; NASERI A.A.F.

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Journal: Iranian Journal of Irrigation and Drainage Year:2010 | Volume:4 | Issue:1 Page(s): 98-90

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Title

EFFECT OF DEFICIT IRRIGATION ON YIELD AND WATER USE EFFICIENCY OF POTATO CULTIVAR SANTEH

Author(s)

BAHRAMLOU R. | NASERI A.A.F. | Issue Writer Certificate

Keywords

DEFICIT IRRIGATIONQ2

IRRIGATION SCHEDULINGQ1

POTATO YIELDQ1

WATER USE EFFICIENCYQ2

Abstract

This research was conducted to investigate potato cultivar Santeh yield and WATER USE EFFICIENCY (WUE) responses to full and DEFICIT IRRIGATION. Results revealed that the highest (27.82 t) and lowest (24.95 t) yields were respectively produced by two-week delayed and full irrigation. These originated from insensitiveness of initial vegetative stage of potato to DEFICIT IRRIGATION and on the other hand, by full irrigation of 12803 m3 ha-1 water was applied to the experimental plots. While water requirement of potato is 6640 m3 ha-1 and it seems extra application of water caused a decrease in yield. Also, the highest (2.44 kg m-3) and lowest (1.96 kg m-3) WUE produced by two-week delayed and full irrigation. Since initial vegetative stage of potato is not sensitive to water deficit, accordingly DEFICIT IRRIGATION did not cause a decrease in yield but caused an increase in WUE relative to full irrigation condition. To relate crop yield to water applied, a water production function was worked out by multiple regressions analysis. Applying two-week delayed irrigation caused a yield increase as 11.44% and water saving as 10.33% relative to full irrigation condition. Therefore it is recommended that potato cv. Santeh should be irrigated with two week delay after third irrigation to achieve the optimum yield and WUE.

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APA: Copy

BAHRAMLOU, R., & NASERI, A.A.F.. (2010). EFFECT OF DEFICIT IRRIGATION ON YIELD AND WATER USE EFFICIENCY OF POTATO CULTIVAR SANTEH. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 4(1), 98-90. SID. https://sid.ir/paper/359145/en

Vancouver: Copy

BAHRAMLOU R., NASERI A.A.F.. EFFECT OF DEFICIT IRRIGATION ON YIELD AND WATER USE EFFICIENCY OF POTATO CULTIVAR SANTEH. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2010;4(1):98-90. Available from: https://sid.ir/paper/359145/en

IEEE: Copy

R. BAHRAMLOU, and A.A.F. NASERI, “EFFECT OF DEFICIT IRRIGATION ON YIELD AND WATER USE EFFICIENCY OF POTATO CULTIVAR SANTEH,” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 4, no. 1, pp. 98–90, 2010, [Online]. Available: https://sid.ir/paper/359145/en

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