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Particle size distribution (PSD) analysis is a cornerstone of soil science, providing essential insights into soil structure, fertility and its response to environmental change. This analytical field ...

Agricultural soil testing is critical to determining soil’s nutrient concentration and variability across your fields. It is ideal to test your fields’ soil at least every two to three years to inform ...

Soil testing begins with the homeowner, gardener, and farmer. The most critical step in soil testing is soil sample collection. Soil testing can help growers make informed decisions about fertilizer ...

Over three days in late March, four Los Angeles Times environment reporters and an editor fanned out across the Eaton and Palisades burn scars to collect 40 soil samples from residential properties: ...