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Evaluation of the Impact of Water Management Technologies on Water Savings in the Lower Chenab Canal Command Area, Indus River Basin

1
Key Laboratory of Remote Sensing and Geospatial Science, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China
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University of Chinese Academy of Sciences, Beijing 100049, China
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Department of Irrigation and drainage, Faculty of Agricultural Engineering and Technology, University of Agriculture, Faisalabad 38040, Pakistan
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Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China
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CAS Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing 100101, China
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Department of Structures and Environmental Engineering, Faculty of Agricultural Engineering and Technology, University of Agriculture, Faisalabad 38040, Pakistan
*
Author to whom correspondence should be addressed.
Water 2018, 10(6), 681; https://doi.org/10.3390/w10060681
Received: 20 April 2018 / Revised: 16 May 2018 / Accepted: 21 May 2018 / Published: 24 May 2018
(This article belongs to the Section Water Resources Management and Governance)
Traditional irrigation practices, low crop productivity, unlevelled fields, water losses taking place during conveyance and application phases, as well as low irrigation efficiencies are the main problems of the common farmers in Pakistan. These problems are more noticeable in the command area of Lower Chenab Canal (LCC), which is the main portion of the Indus Basin Project in Pakistan. To overcome these problems, different water management technologies such as precision land levelling (PLL), bed planting, drip irrigation systems, and watercourse improvement were introduced to farmers to increase water savings and crop yields in the area of five distributaries—Khurrianwala, Shahkot, Mungi, Khikhi, Killianwala and Dijkot—during the cropping seasons of 2008 to 2015. The use of drip irrigation resulted in savings of water and fertilizer and increased the crop yields by 30–40%. Three watercourses, one on each site of 1200 m in length, were lined, which resulted in improved conveyance efficiency of 15–20%. If wheat, rice and cotton in the command area of LCC are sown on precisely levelled fields and on beds, then about 2768.1 million m3 and 3699.3 million m3 of irrigation water can be saved. These results show the potential of water-efficient technologies for saving water as well as increasing crop yields. View Full-Text
Keywords: precision land levelling; bed planting; wheat; cotton and rice; irrigation water saving precision land levelling; bed planting; wheat; cotton and rice; irrigation water saving
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Rizwan, M.; Bakhsh, A.; Li, X.; Anjum, L.; Jamal, K.; Hamid, S. Evaluation of the Impact of Water Management Technologies on Water Savings in the Lower Chenab Canal Command Area, Indus River Basin. Water 2018, 10, 681.

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