The irrigation water is said to be unsatisfactory, if it contains

Related MCQs

• Irrigation is said to be a science of survival.
• When the upstream face of a gravity dam is vertical, then the intensity of water pressure at the water surface and at the base respectively will be (where w is unit weight of water and H is the depth of water.)
• Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as
• The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called
• Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain ?
• The whole period of cultivation from the time when irrigation water is first supplied for preparation of the ground to its last watering before harvesting, is called
• A structure constructed in an irrigation canal for the purpose of wasting some of its water, is known as a
• The duty of irrigation water goes on
• The duty of irrigation water will be less if
• For irrigation purposes, the p-H value of water should be