The lowest water use efficiency is often found in surface (flood) irrigation methods and in crops that have high water requirements like rice. Within a specific crop study, the lowest efficiency may also be linked to a specific environmental condition, a lack of water-saving technologies, or a specific treatment, such as the low efficiency of the greenhouse with open ventilators.
The lowest water use efficiency is in
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Question context
This question is part of 🌍 Current Affairs within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.