Q. Among the following which one is the least water-efficient crop?
Why this Question: Sustainable agriculture has been the major aim of the Government. Also, water guzzling crops like sugarcane has been in news.
Exp) Option a is correct.
Option a is correct. Sugarcane is the least water efficient crop. Among the given options, its water requirement is 1800-2200 mm/season which is highest.
Option b is incorrect. Sunflower’s water requirement was estimated at 672.4 mm/season.
Option c is incorrect. Pearl millet is a drought tolerant crop.
Water requirement: 350 mm/season.
Option d is incorrect. Red gram uses about 250-400 mm/season of water.