The process of distribution of irrigation water is known as ___ ?
Which one is wrong about the border strip method?
Statement 1: For crops like wheat, maize, and sorghum, 25% depletion of available soil moisture is adequate. Statement 2: Climatological approaches are also known as the book-keeping method.
Maximum production is achieved when irrigation is given at _____ soil moisture content in the root zone of the crop?
Statement 1: A drip irrigation system saves 50-70% water. Statement 2: Discharge rate is 1-4 ml/hr.
Which one is the most common method of surface irrigation?
Which of the following is not an approach to irrigation scheduling?
A sprinkler irrigation system is not recommended when the wind velocity is greater than ____ km/hr?
Which one is correct about surge irrigation?
In the surge method, there are a series of on and off modes of _______ time spans.
The rate of water delivery in the sprinkler irrigation method is?
The percentage of applied irrigation water stored in the soil and made available for consumptive use by the crop is called?
Statement 1: The ring basin method is used for fruit trees. Statement 2: Mostly 5% of land is wasted for bunding in the check basin method.
Orifices, weirs, and flumes come under the category of ____ ?
Major irrigation projects come under which category of command area?
A field divided into small plots surrounded by small bunds on all sides is called?
Volumetric methods are used in irrigation water measurement for?
Statement 1: Orifices are used in open channel streams. Statement 2: Weirs measure the flow in an irrigation channel or the discharge of a well or channel outlet.
Which one is wrong about the sprinkler irrigation system?
Scheduling of irrigation is not based on?
The slope ranges from ______ in the border strip method?
A 90-degree V-notch weir is used to measure?
Which irrigation method is the least labor-intensive?
In a drip irrigation system, the discharge is from?
Q = A * V (A = area & V = velocity of flow). What is the unit of Q (discharge rate)?
Statement 1: In scheduling irrigation, "how much to irrigate" is based on the gross quantity of water requirement of the crop. Statement 2: More nutrients are available, and most crops take up water when soil moisture is near field capacity.
Which weir is used for highly variable water flow?
Statement 1: Uniform distribution of water is achieved in the border strip method. Statement 2: The furrow method is suitable for crops like sorghum, sugarcane, & tobacco.
Statement 1: The average annual rainfall over the country is about 300 mha. Statement 2: Out of 300 mha of rainfall, 75% is received by southwest monsoons and the remaining 25% in the remaining 8 months.
A bedding system is formed and adopted when the slope is up to ____ %.