In the past, farmers practiced field rotation, allowing land to lie fallow for two or three years.

In 1855 a major earthquake raised part of the lower valley, allowing land to be reclaimed from swamp.

It also allowed land compacted by the weight of the ice to rise.

The Netherlands is allowing land to become wild in an effort to encourage the butterflies to return.

Not much is known about this decree except that it allowed land to be claimed just by platting a town.

Brazilian law allows land to be expropriated if it does not fulfill its "social function."

The purpose was to establish airfields that would allow land based air support for the upcoming operations across the central pacific.

It was gradually drained throughout the 18th century to allow land to be reclaimed for agriculture.

These devices allowed the aircraft to take off and land within 1,000 ft (330 m).

This has allowed otherwise dry and unproductive land to bear high yields.