Maurice Contreras noted, “The combination of the fertile volcanic soil, high elevation, cool climate, and moisture from the clouds nourish the coffee plants which produces a superior coffee bean.” ...

Its mostly volcanic soils yield sturdy Cabernets. The Duckhorn “Three Palms Vineyard” (2016, $100), from spare loam and volcanic soils, is large-scaled, deeply flavored, powerful and complex.

It’s soil. Of the 12 soil orders of the world, Oregon has all but two: gelisols (permafrost soils in the tundra) and oxisols (those found in tropical rainforests).

A team of agronomists and biotechnicians at China Agricultural University has found that adding bacteria to simulated lunar regolith increased the amount of phosphate in the soil for use by plants ...

Fertile volcanic soils in the valleys of El Salvador supported dense populations in Maya villages and urban centers like Chalchuapa.