It eventually came to be the main food crop of the poor.

"One thing people could argue is, How can a company own the most important food crop in the world?"

It began to be grown as a food crop more than 7,000 years ago.

Potato is one of the world's most important food crops.

Nearly 90 percent of the cultivated area is under food crops.

About 75% of the cultivated area is used for food crops.

Much of the land was used to grow sugar, but other food crops were also raised.

Today most live by fishing, food crops and small businesses.

Production rose with population, too: between 1880 and 1912 4 million more acres came under the main food crops.

The site should be cleared, especially if the trees are associated with other food crops.