BBC Earth (Asia) - - Science -

Taters on the ter­races In We­ichang County, north­ern China, ter­raced fields stretch across the land­scape. Ter­rac­ing is a use­ful

agri­cul­tural tech­nique in moun­tain­ous re­gions, as it pre­vents ero­sion and wa­ter runoff. Pota­toes

are be­ing grown here, but the method works well for other crops,

such as rice, olives, maize and grapes. Farm­ers around the world have been us­ing ter­race agri­cul­ture for cen­turies: the Rice Ter­races of

the Philip­pine Cordilleras are a UNESCO site and are be­lieved to be

more than 2,000 years old, while in­hab­i­tants of the An­des adopted the

method for farm­ing maize and pota­toes more than 1,000 years ago.

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