639AgricultureMedium
It is important to keep the saturation gradient line within the body of a embankment of canal, the saturation gradient line in loomy soils lie at________?
A1:2 to 1:4
B1:3 to 1:5
C1:5 to 1:7
D1:4 to 1:6
Correct answer
D. 1:4 to 1:6
Explanation
The correct answer is 1:4 to 1:6.