STUDY THE WATER USE EFFICIENCY BASED ON REGIONAL RELATIVE ADVANTAGES AND DEFICIT IRRIGATION

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DEHGHANI SANIJ H.; NAKHJAVANI MOGHADAM M.M.; AKBARI MAHDI

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Journal: Iranian Journal of Irrigation and Drainage Year:2008 | Volume:2 | Issue:1 Page(s): 77-91

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Title

STUDY THE WATER USE EFFICIENCY BASED ON REGIONAL RELATIVE ADVANTAGES AND DEFICIT IRRIGATION

Author(s)

DEHGHANI SANIJ H. | NAKHJAVANI MOGHADAM M.M. | AKBARI MAHDI | Issue Writer Certificate

Keywords

WATER USE EFFICIENCYQ2

WHEATQ3

MAIZEQ2

DEFICIT IRRIGATIONQ2

Abstract

Limitation in water resources caused that agricultural sector, the main water user in the country, to be faced a serious water deficit for food production. Herein, the main challenge of agricultural sector is improvement of water productivity and more food production using less water. In agricultural production systems, WATER USE EFFICIENCY (WUE) accounts for crop production per unit amount of water used. This study was aimed to (i) determine WHEAT and MAIZE water productivity under full irrigation, (ii) evaluate the impact of DEFICIT IRRIGATION on WUE, and (iii) improve WUE considering regional relative advantages in cropping pattern system. Based on the experiments conducted in north regions of the country (Karaj, Mashhad, and Orumieh) during 1998-2003, it was found that the range of WHEAT and MAIZE WUE was 0.4-1.3 and 0.8- 2.3 kg m-3 which was wider than that reported earlier by the FAD, 0.8-1.0 and 0.8-1.6kg m-3, respectively. The wide ranges of WUE indicate tremendous opportunities for increasing the agricultural productions with less water. The maximum measured WHEAT and MAIZE WUE was 1.73 and 2.63 kg m-3 from Karaj and Urmieh, respectively, when DEFICIT IRRIGATION management was applied. WHEAT and MAIZE WP of 1.0 and 1.3kg m-3 were recommended as optimum level to be considered in cropping system of potential regions. Water applied (irrigation and effective rainfall) for optimum level of WHEAT and MAIZE WP was 400 and 600mm, respectively.

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APA: Copy

DEHGHANI SANIJ, H., NAKHJAVANI MOGHADAM, M.M., & AKBARI, MAHDI. (2008). STUDY THE WATER USE EFFICIENCY BASED ON REGIONAL RELATIVE ADVANTAGES AND DEFICIT IRRIGATION. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 2(1), 77-91. SID. https://sid.ir/paper/131623/en

Vancouver: Copy

DEHGHANI SANIJ H., NAKHJAVANI MOGHADAM M.M., AKBARI MAHDI. STUDY THE WATER USE EFFICIENCY BASED ON REGIONAL RELATIVE ADVANTAGES AND DEFICIT IRRIGATION. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2008;2(1):77-91. Available from: https://sid.ir/paper/131623/en

IEEE: Copy

H. DEHGHANI SANIJ, M.M. NAKHJAVANI MOGHADAM, and MAHDI AKBARI, “STUDY THE WATER USE EFFICIENCY BASED ON REGIONAL RELATIVE ADVANTAGES AND DEFICIT IRRIGATION,” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 2, no. 1, pp. 77–91, 2008, [Online]. Available: https://sid.ir/paper/131623/en

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