The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as

Related MCQs

• The depth of root zone is 90 cm for
• With the increase in the quantity of water supplied, the yield of most crops
• The ratio between the area of a crop irrigated and the quantity of water required during its entire period of the growth, is known as
• The crops require maximum water during
• The maximum depth in soil strata, in which the crop spreads its root system, and derives water from the soil, is called
• 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.)
• For closed growing crops (such as wheat), the method of irrigation used is
• The total depth of water required by a crop during the entire period the crop is in the field, is known as
• When the quantity of the earth is much in excess of the quantity required for filling, it has to be deposited in the form of spoil banks. The spoil banks are made on
• The useful storage is the volume of water stored in the reservoir between