DEVELOPING AND UTILIZING OF CROPPING PATTERN AND WATER ALLOCATION OPTIMISATION MODEL FOR IRRIGATION NETWORKS

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MONTAZER A.A.; LOTFI M.

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Journal: Iranian Journal of Irrigation and Drainage Year:2008 | Volume:2 | Issue:1 Page(s): 93-108

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Title

DEVELOPING AND UTILIZING OF CROPPING PATTERN AND WATER ALLOCATION OPTIMISATION MODEL FOR IRRIGATION NETWORKS

Author(s)

MONTAZER A.A. | LOTFI M. | Issue Writer Certificate

Keywords

CROPPING PATTERNQ1

IRRIGATION SCHEDULINGQ1

NON-LINEAR MODELQ2

OPTIMISATIONQ2

WATER PRODUCTIVITYQ3

Abstract

The aim of this paper is develop a non-linear OPTIMISATION model for the determination of the optimised water allocation and CROPPING PATTERN based on crop water production functions and irrigation uniformity. The proposed model was applied for Qazvin Irrigation Network. The results showed that among the crop types grown in the region, onion and alfalfa have the highest and the lowest WATER PRODUCTIVITY value, respectively. These values under drought conditions for optimal CROPPING PATTERN of the two crops were estimated at 75069 and 3055 Rls/m3.The results showed that the greatest cultivated areas belonged to wheat which were 23599 and 19350 ha for wet and dry years, respectively. The findings indicated that the overall WATER PRODUCTIVITY of the irrigation network with relevant CROPPING PATTERN management may be rised to as high as 12665 Rls/m3 under drought condition. The results demonstrated that the WATER PRODUCTIVITY of irrigation network can be improved as result of optimal CROPPING PATTERN and deficit irrigation. The maximum variations of this indice may be fixed around 1.7 % for different water regimes as a result of the optimized water allocation and cropping patten. The proposed model may be used to optimize the global WATER PRODUCTIVITY of the irrigation networks. Hence, it can be had an important role into improving irrigation systems efficiency and managing water in a sustainable manner.

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APA: Copy

MONTAZER, A.A., & LOTFI, M.. (2008). DEVELOPING AND UTILIZING OF CROPPING PATTERN AND WATER ALLOCATION OPTIMISATION MODEL FOR IRRIGATION NETWORKS. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 2(1), 93-108. SID. https://sid.ir/paper/131625/en

Vancouver: Copy

MONTAZER A.A., LOTFI M.. DEVELOPING AND UTILIZING OF CROPPING PATTERN AND WATER ALLOCATION OPTIMISATION MODEL FOR IRRIGATION NETWORKS. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2008;2(1):93-108. Available from: https://sid.ir/paper/131625/en

IEEE: Copy

A.A. MONTAZER, and M. LOTFI, “DEVELOPING AND UTILIZING OF CROPPING PATTERN AND WATER ALLOCATION OPTIMISATION MODEL FOR IRRIGATION NETWORKS,” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 2, no. 1, pp. 93–108, 2008, [Online]. Available: https://sid.ir/paper/131625/en

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