It’s a simple equation: If you want to grow better plants, you first need to understand the soil. “The texture of a soil is its proportion of sand, silt and clay,” said James Cassidy, a soils ...

Over millions of years, wind and water gradually weather rocks, breaking them down into smaller particles that help form soil. That silty sand in your yard may have once been part of a towering ...

David Kuchta, Ph.D. has 10 years of experience in gardening and has read widely in environmental history and the energy transition. An environmental activist since the 1970s, he is also a historian, ...