set-aside
idle land
fallow
fallow field
fallow land

Some 42,000 workers and their families are building settlements on idle land slated for expropriation.

This is not idle land waiting to be made productive by condominiums and cul-de-sacs.

However, this was not the case in China; most idle lands suffered from a lack of water supply, so forests had to be cultivated.

It would then move to distribute idle and foreclosed lands.

Nguyen Anh's programs resulted in large amounts of previously idle land being cultivated.

The program greatly reduced the amount of idle, uncultivated land.

It was empty buildings where the homeless might live, or idle land on which a shelter could be built.

For example, institutions that held power in rural areas were quick to implement national laws regarding the peasantry's use of idle land.

It also says it is only allocating idle land for investment.

Also, he said, "It seems that a lot of idle land has just sprouted seedlings and saplings."