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The ratio of the water stored in the root zone during irrigation, to the water needed in the root zone prior to irrigation is called:
- a)Efficiency of water use
- b)Efficiency of water storage
- c)Efficiency of water application
- d)Efficiency of water conveyance
Correct answer is option 'B'. Can you explain this answer?
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The ratio of the water stored in the root zone during irrigation, to t...
Irrigation Efficiencies:
(i) Water Conveyance Efficiency, (ηc)
where, Wf = Water delivered to the field
Wr = Water delivered from the reservoir
(ii) Water Application Efficiency (ηa)
where, Ws = Water stored in the root zone
Wf = Water delivered to the field
(iii) Water use Efficiency (ηu)
where, Wu = Water use consumptively.
Wf = Water delivered to the filed
(iv) Water storage Efficiency (ηu)
where, Ws’ = Actual water stored in the root zone
Wf = Water needed to store to bring the water content up to field capacity.
(v) Water distribution Efficiency, (ηd)
where, y = Average numerical deviation in the depth of water stored from the average depth of irrigation stored
d = Average depth during irrigation
(vi) Consumptive use Efficiency (ηcu)
where, Wcu or Cu = Water used by plant consumptively.
Wd = Net amount of water depleted from root zone.
(i) Water Conveyance Efficiency, (ηc)
where, Wf = Water delivered to the field
Wr = Water delivered from the reservoir
(ii) Water Application Efficiency (ηa)
where, Ws = Water stored in the root zone
Wf = Water delivered to the field
(iii) Water use Efficiency (ηu)
where, Wu = Water use consumptively.
Wf = Water delivered to the filed
(iv) Water storage Efficiency (ηu)
where, Ws’ = Actual water stored in the root zone
Wf = Water needed to store to bring the water content up to field capacity.
(v) Water distribution Efficiency, (ηd)
where, y = Average numerical deviation in the depth of water stored from the average depth of irrigation stored
d = Average depth during irrigation
(vi) Consumptive use Efficiency (ηcu)
where, Wcu or Cu = Water used by plant consumptively.
Wd = Net amount of water depleted from root zone.
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The ratio of the water stored in the root zone during irrigation, to the water needed in the root zone prior to irrigation is called:a)Efficiency of water useb)Efficiency of water storagec)Efficiency of water applicationd)Efficiency of water conveyanceCorrect answer is option 'B'. Can you explain this answer?
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