New World says it is the biggest foreign holder of land-use rights in China.

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In Vietnam, the state owns all the land and grants land-use rights to farmers, businesses and home-owners.

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They griped about unclear land-use rights and how officials deny them access to the state forests nearby.

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In 2006-10 across China they sold land-use rights to over 22, 000km2 of land, an area the size of New Jersey.

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Ownership could be challenged, but critics worry that it would be difficult to do so for former state-owned assets or for land-use rights that had been sold off in shady deals.

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Peasants have been legally trading land-use rights for years.

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In the delta, General Obasanjo is unpopular, because people remember his 1979 land-use law which gave all mineral rights to the state and, in their eyes, deprived them of revenue from the oil beneath their farms.

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