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Information Journal Paper

Title

The Effect of Deficit Irrigation on Irrigation Water Price and Water Productivity

Pages

  312-322

Abstract

 Increasing scarcity of water resources and its influence on quality and quantity of crop yield motivates farmers to apply deficit irrigation as an approach to overcome the lack of water. On the other hand, the importance of water as an intermediate good in agriculture has increased competition to access water as an economic good. Consequently, determining the irrigation water price under deficit irrigation is necessary to improve water productivity. In order to assess the impact of water price on water productivity, in this study green pepper was cultivated under four different water levels including 50, 70, 100 and 120% of crop water requirement. The crop yield was then harvested and its dry matter measured at the end of growth period. Results indicated that after applying deficit irrigation and optimizing irrigation water depth, water price was reached to its maximum which was 183. 4 × 10 4 Rials per cubic meter. In addition, Irrigation Efficiency, physical productivity, physical-economical productivity and economical productivity under deficit irrigation were 5. 67(kg/m³ ), 5. 1(kg/m³ ), 191. 4 × 10 4 (Rls/m³ /ha) and 1. 04, respectively, which were all higher than those of other water treatments results. Furthermore, the deficit irrigation before water depth optimization did not considerably affect Irrigation Efficiency, while after water depth optimization, deficit irrigation resulted better Irrigation Efficiency than full irrigation scheme.

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    APA: Copy

    OMIDI, F., & HOMAEE, M.. (2020). The Effect of Deficit Irrigation on Irrigation Water Price and Water Productivity. IRAN-WATER RESOURCES RESEARCH, 16(2 ), 312-322. SID. https://sid.ir/paper/407727/en

    Vancouver: Copy

    OMIDI F., HOMAEE M.. The Effect of Deficit Irrigation on Irrigation Water Price and Water Productivity. IRAN-WATER RESOURCES RESEARCH[Internet]. 2020;16(2 ):312-322. Available from: https://sid.ir/paper/407727/en

    IEEE: Copy

    F. OMIDI, and M. HOMAEE, “The Effect of Deficit Irrigation on Irrigation Water Price and Water Productivity,” IRAN-WATER RESOURCES RESEARCH, vol. 16, no. 2 , pp. 312–322, 2020, [Online]. Available: https://sid.ir/paper/407727/en

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