With the increase in supplied irrigation water, the yield of crops
The duty of irrigation water for a given crop is maximum
Consumptive use of water for a crop represents
Permanent wilting point moisture content for a crop represents the
The efficiency of water application does not depend upon
The efficiency of water conveyance does not depend upon
The table given below the details for a particularcrop, with a crop factor 0.5. The consumptive water requirement of the crop will be,
Commonly adopted moisture tension, in atmosphere, of a soil at permanent wilting point is
At field capacity, water is held in most of the soils at a tension of
Irrigation frequency is a function of
Irrigation of a field is normally warranted when the available moisture content in the root zone of a crop is depleted by about
Conjunctive use of water in a basin means
Net irrigation requirement of a crop is equal to
In an irrigation system, water was delivered to the field in ditches spaced about 30 m apart, and was allowed to seep into the ground to maintain the water table at such a height that the water is available to the crops through the capillary fringe.This method of irrigation is called.
In contour border irrigation method
In border method of irrigation, the flow along the border is a case of
In an irrigation system, the land was divided into a large number of smaller size unit areas, having fairly level surface, by bunds and cross ridges. The basins thus created were filled with water to the desired depth and the water was retained for some time. This method of irrigation is known as
For growing irrigated paddy, the ideal water application method is
The maximum application rate by sprinklers is limited by
Which of the following statements pertaining to sprinkler irrigation is not correct ?
Which of the statements given below is not correct? In a trickle irrigation system
Which of the following methods of irrigation do not use open ditches for water delivery ?
The outlet discharge factor is
Given that the base period is 100 days and the duty of the canal is 1000 hectares per cumecs,the depth of water will be
The delta for a crop having a base of period 120 days is 70 cm. What is the duty ?