Chapter 3 IRRIGATION AND ITS ROLE IN AGRICULTURE MCQs

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1. The process of replanting vegetation and rebuilding the soil of disturbed land for the principal purpose to rehabilitate or protect degraded land is called





2. The ratio between the irrigated area and the quantity of water used is called





3. The irrigation method in which water is opened in channels in a plot or field so that water can flow freely in all directions and cover the surface of the land in a continuous sheet is





4. The method suitable for orchards and other high-value crops where the size of the plot to be irrigated is very small is





5. Row crops such as potatoes, cotton, sugarcane, vegetables, etc. can be irrigated by





6. The method that consists of application of water to soil in the form of spray, somewhat as rain, is





7. _________ is the method that sprays water at high pressure and thereby the pests are washed. It can irrigate one acre in about one and a half hours.





8. The amount of water required by rice crop is





9. The term _________ is interchangeably used with the terms water holding capacity and water retention capacity.





10. The amount of water required by wheat crop is





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