Africa: Tree Intercropping 'Could Save Africa's Soils'

20 November 2012

Nairobi — Scientists have reported in Nature that the agroforestry approach of planting nutrient-fixing trees with food crops could help replenish Africa's poor quality soils, tackling one of the biggest threats to food security on the continent.

Planting certain perennial trees together with food crops can more than double yields for maize and millet, which are among Sub-Saharan Africa's staple foods, scientists say.

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