...is possible:
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The first detailed digital soil map of sub-Saharan Africa is to be created.

The £12m ($17.5m) project will offer farmers in 42 countries a "soil health diagnosis" and advice on crop yields.

Scientists from the International Center for Tropical Agriculture (CIAT) will take soil samples from across the continent and analyse nutrient levels.

These will be combined with satellite data to build a high-resolution map, to be disseminated freely to poor farmers by local extension workers.