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Annual average soil loss from a watershed has been measured as $20 \mathrm{Mg} \mathrm{ha}^{-1}$ year $^{-1}$. Watershed has $8 \%$ land slope and $84 \mathrm{~m}$ maximum slope length. Assume all other factors same and dimensionless exponent for slope factor is $0.5 .$ To reduce soil loss from the watershed to $10 \mathrm{Mg} \mathrm{ha}^{-1}$ year $^{-1},$ the maximum slope length in m should be___________________


Question ID - 156805 | Toppr Answer

Annual average soil loss from a watershed has been measured as $20 \mathrm{Mg} \mathrm{ha}^{-1}$ year $^{-1}$. Watershed has $8 \%$ land slope and $84 \mathrm{~m}$ maximum slope length. Assume all other factors same and dimensionless exponent for slope factor is $0.5 .$ To reduce soil loss from the watershed to $10 \mathrm{Mg} \mathrm{ha}^{-1}$ year $^{-1},$ the maximum slope length in m should be___________________

1 Answer - 5876 Votes

3537

Answer Key : (20.9: 21.1) -

20.9: 21.1



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