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In page Free State (province):

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Agriculture dominates the Free State landscape, with cultivated land covering 32,000 square kilometres, and natural veld and grazing a further 87,000 square kilometres of the province. It is also South Africa's leader in the production of biofuels, or fuel from agricultural crops, with a number of ethanol plants under construction in the grain-producing western region. South Africa is one of the top ten Maize producers in the world (12,365,000 tons as of 2013) whereby all of the crops come from the Free State. The Free State is well known for its Mielielande (corn-fields; the former term is in Afrikaans).