Furrows of 150 m long and 2 m apart, have longitudinal slope of 0.5 percent are initially irrigated by non-erosive stream for 100 minutes. The stream size is reduced to 50% and continued for another 40 minutes. Determine the average depth of irrigation.

Furrows of 150 m long and 2 m apart, have longitudinal slope of 0.5 pe

1.	Furrows of 150 m long and 2 m apart, have longitudinal slope of 0.5 percent are initially irrigated by non-erosive stream for 100 minutes. The stream size is reduced to 50% and continued for another 40 minutes. Determine the average depth of irrigation.
A.	50.34 mm
B.	43.56 mm
C.	47.58 mm
D.	43.84 mm
Answer» E.