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Irrigation - Engineering

Q1:

The saturation line is the line up to which banks get saturated after the canal runs for some time. The saturation gradient in ordinary loam soil, is generally

A 2 : 1

B 3 : 1

C 4 : 1

D 5 : 1

E 6 : 1

ANS:C - 4 : 1

The common soil types throughout Wisconsin and found the ratio ranged from 8.1:1 to 1.0:1 (Table 5).

Some of the silt loam soils like Antigo fell near 4:0.1 compared to soils with more clay, like Marathon with a ratio of 7.7:1.