The University of Delaware (UD) has rated soils in terms of the likelihood of profitable responses to additions of phosphorus (P) and potassium (K) from fertilizers, manures, and other soil amendments ...

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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: ...

If you want your plants to grow big and healthy, soil quality matters. Even if you aren’t planning on growing a lush veggie garden, all plants need nutrients to grow, in addition to light and water.

Gujarat's Soil Health Card program helps farmers reduce fertilizer use while boosting crop yields through tailored soil ...

The UD Soil Testing Program provides a variety of soil testing and educational support to farmers, homeowners and others engaged in soil management and land use. The program is offered as a public ...