Terrace farming

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Rice terraces in the Phillipines
A Chinese rice paddy, an example of a terrace farm
Terrace farming in the north of Thailand at the end of the dry season

Terrace farming is a type of farming that was developed in various places round the world. The Rice Terraces of the Philippine Cordilleras (hills and mountains) is a World Heritage Site. It dates back two thousand years.[1]

This method of farming uses "steps" that are built into the side of a mountain or hill. On each level, various crops are planted. When it rains, instead of washing away all of the nutrients in the soil, the nutrients are carried down to the next level. Additionally, these steps prevent a free flowing avalanche of water that would take plants with it and destroy the all of the crops on the hillside. This system also allowed them to build aqueducts, which carried water to each level.

The idea was also independently developed by the Inca people. The Incas built their aqueduct system so well that it is still used today. Terrace farming is often used by the Chinese in their rice farms.

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