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 ...

Are you struggling to produce the best crops in your fields, the best vegetables in your garden or even the nicest yard in the neighborhood? Or even just curious what the nutrients were in your soil?

If you have a cat or dog who likes to hide under the deck or children who play on equipment made with pressure-treated wood, you'll be glad to hear that analytical chemists recently developed the ...

This photo shows a yellowing young leaf, though its veins remain green, indicating that this plant is hungry for iron. Plants do tell us when they are hungry — with poor or distorted growth, and with ...

Along with the development of new instrumentation, the test procedure itself was also standardized. By “walking” the potential probe toward the current probe and graphing the measurements, the ...

When we are having problems with our lawns or plants, the first thing that comes to mind is often that they are caused by a pest or disease. We often overlook that it could be a problem with the soil.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Colleen Hagerty Colleen Hagerty is a writer focused on emergency preparedness.