Unknown rice parasite threatens harvests in Africa

Few agronomists are familiar with Rhamphicarpa fistulosa, a fragile weed with white flowers, from the broomrape family. Yet this root parasite is increasingly affecting rice cultivation in Africa. This has become clear from ...

NASA image: Fires in Mozambique and Madagascar Sept. 12, 2013

The location, widespread nature, and number of fires in this satellite image suggest that these fires were deliberately set to manage land. Farmers often use fire to return nutrients to the soil and to clear the ground of ...

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