Ancient Roman stone mulching techniques can help modern soils retain thirty percent more water
Modern agriculture is looking to the past as ancient Roman stone mulching techniques prove capable of increasing soil water retention by thirty percent in the increasingly arid Iberian Peninsula.
Ancient Roman farmers utilized stone mulching to combat the harsh conditions of the Iberian Peninsula, a technique that remains highly effective today. By strategically placing stones over the earth, they created a protective barrier that reduces evaporation by fifteen percent for every degree of warming. This method allows modern soils to retain thirty percent more water, directly countering the desertification that currently erodes 1.2 million hectares of land in Spain and Portugal annually.
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