A glacier encountering weaker rock at its base, will be able to erode deeper than when it experiences harder, less erodible rocks.
22.
By using No Kill in areas that are already grasslands or are arid or highly erodible grain can be produced without risking ecological damage.
23.
Farmers are paid an average of $ 50 an acre to take marginal, highly erodible farmland out of production under 10-year contracts.
24.
As the glacier first retreated and melted, large amounts of highly erodible, fine-grained sediment dropped out in relatively high mountain valleys.
25.
The creeks at the headwaters of the river pass through areas of highly erodible shale, resulting in high concentrations of sediment during springtime runoff.
26.
If the land is highly erodible and produces little economic gain, it can sometimes be more economic to take advantage of these CRP programs.
27.
The slopes of the volcano are heavily dissected with channels, suggesting that the volcano is composed of easily erodible material such as volcanic ash.
28.
Under the program, which expires this year, farmers are paid by the federal government not to farm highly erodible or otherwise fragile crop land.
29.
Enrolled land must be highly erodible, contribute to a serious water quality problem or provide substantial environmental benefits if devoted to certain specific conservation uses.
30.
The law requires all farmers to have government-approved plans in place this year for controlling soil loss from " highly erodible land ."
