Browsing the "conservation agriculture" Tag

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Conserving and Rebuilding Soils

By Lester R. Brown The literature on soil erosion contains countless references to the “loss of protective vegetation.” Over the last half-century, clearcutting, overgrazing, and overplowing have removed so much of that protective cover that the world is quickly losing soil accumulated over long stretches of geological time (see “Civilization’s Foundation Eroding”). Preserving the biological […]