Forestry has an important part to play in the amelioration of the conditions in semi-arid and arid lands.

But 80% of the country is made up of semi-arid or arid land.

Much of the Northeast is semi-arid land and has severely limited water resources compared with the other regions.

Arid and semi-arid lands occupy one-third of the earth's surface and support a population of 700 million people.

It is capable of growing on semi-arid and arid lands.

Overall, arid and semi-arid lands make up a quarter of the earth's land mass and sustain some 900 million people.

It is the only perennial river in the arid and semi-arid lands of the Baringo District.

It is well-suited to semi-arid lands and can contribute to slow down desertification, according to its advocates.

The act set aside money from sales of semi-arid public lands for the construction and maintenance of irrigation projects.

The climate is typical of middle latitude, semi-arid lands where evaporation potential exceeds precipitation throughout the year.