The abundance of fresh water allowed new vegetation to take root, and through evaporation formed thunderstorms.

The climate of Antarctica does not allow extensive vegetation to form.

But as farmers planted grass and trees and allowed natural vegetation to return, conservation benefits began to emerge.

Grass for pasture is particularly problematic because after it takes hold, does not allow natural vegetation to compete with it.

During summer, the MSU's are drained to allow vegetation to grow.

Within Connecticut, I've known inspectors who allow vegetation as a barrier.

Near the streams and shore, moisture was plentiful, allowing lush vegetation to grow.

It simply is like having your house covered by some earth and allows vegetation to grow on top of it.

This allows grass and vegetation to recover from overgrazing.

The peninsula is marked by active volcanism under its surface, and large lava fields, allowing little vegetation.