Repair or replace: Line shaft vs submersible pumps

As traditional line-shaft pumps reach the end of their life, what are the options for irrigators? While line-shaft pumps may be more efficient per unit of energy, there are advantages of changing to submersible pumps. This report, from AgEcon for CRDC and CottonInfo, reviews the repair and replacement options as well as important considerations for monitoring and maintaining pump performance to ensure least-cost per megalitre extraction.