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When the next food crop is planted, it benefits from the nutrients and improved physical properties of the soil that the trees have provided.
ECONOMIST: A new twist on an old idea is improving farm yields in Africa
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The particular properties of the volcanic soil are ideal for growing purple potatoes, black truffles, buckwheat, white corn and tomatoes, and Nogue insists the ingredients have a distinct flavour profile compared to the same vegetables and grains grown elsewhere, a characteristic he attributes to the soil's perfect balance of absorption and porosity, as well as its mineral properties.
BBC: Spain��s Catalonia after El Bulli
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They will record plant species, forest structure, ash cover, soil properties, river sediment and the overall topography of the burned area.
ECONOMIST: A 30-year plan to study America��s ecology is about to begin
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Officials described last week's landslip as a "dramatic movement" that has seen waterlogged soil come to rest against properties and over around 200m of road.
BBC: The landslide in Ystalyfera