the advance equation for a border is (t=0.8x) where (t) in minutes and (x) in meters; the recession equation is (t-Ta+0.2x), Ta is the application time, and the infiltration equation is (D=5t^0.7), D in mm and t in minutes. If the application time is 180 minutes, the length of the water run is 300 m, and the irrigation adequacy is 85%, then the NDI is approximated :to None of these options A mm 150 .B mm 200 .C mm 50 .D

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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the advance equation for a border is (t=0.8x)
where (t) in minutes and (x) in meters; the
recession equation is (t=Ta+0.2x), Ta is the
application time, and the infiltration equation is
(D=5t^0.7), D in mm and t in minutes. If the
application time is 180 minutes, the length of
the water run is 300 m, and the irrigation
adequacy is 85%, then the NDI is approximated
:to
None of these options .A
mm 150 .B
mm 200 .C
mm 50 .D
Transcribed Image Text:the advance equation for a border is (t=0.8x) where (t) in minutes and (x) in meters; the recession equation is (t=Ta+0.2x), Ta is the application time, and the infiltration equation is (D=5t^0.7), D in mm and t in minutes. If the application time is 180 minutes, the length of the water run is 300 m, and the irrigation adequacy is 85%, then the NDI is approximated :to None of these options .A mm 150 .B mm 200 .C mm 50 .D
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