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Root Zone Salinity Management Using Fractional Skimming Wells with Pressurized Irrigation: Inception Report

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Type: Working Paper
Author: Asghar, Muhammad Nadeem; Ahmad, Shahid; Shafique, Muhammad Siddique; Kahlown, Muhammad Akram
Date: 2002
Agency: International Water Management Institute, Colombo, Sri Lanka
Series: IWMI Working Paper, no. 35
URI: https://hdl.handle.net/10535/4847
Sector: Agriculture
Water Resource & Irrigation
Region: Middle East & South Asia
Subject(s): salinization
river basins
water management
Abstract: "In the Indus basin of Pakistan, salty groundwater is overlain by fresh groundwater due to seepage from rivers and canals of the Indus basin irrigation system. It is estimated that nearly 200 billion cubic meters of fresh groundwater is lying on salty groundwater. If proper technology is applied, this freshwater can be skimmed from the aquifer with minimum disturbance of the salty groundwater zone. This paper presents the inception report of a project for the sustainable exploitation and application of fresh groundwater in irrigated agriculture in Pakistan. The main focus of the project is to introduce packages of technology and management to address serious concerns related to the quality and quantity of groundwater and ensure the use of this freshwater resource on a sustainable basis. The components of these technological and management packages will be fractional skimming wells, dugwells, pressurized irrigation application systems, and irrigation scheduling advisory services."

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