The old Bray-1 method required multiple samples to provide a full nutrient picture of the sample, slowing the process and increasing the cost. In contrast, the new method, called Mehlich-3, requires ...

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 ...

The price of soil sample testing at the Soil and Plant Testing Laboratory is being reduced as the lab adopts a new testing method.

Soil color could replace expensive chemical tests, helping farmers monitor fertility and carbon faster and more safely.

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 ...

Tiny particles bounce light around in a unique way, a property that researchers are using to detect pollutants in water and ...

During the lull of late fall to early spring, when turfgrasses are dormant, many LCOs may experience a decline in revenue-generating opportunities. Some companies take up extra jobs such as snow ...

Place a cup of soil into a jar, top it off with water, and shake vigorously. Allowing the mixture to settle entirely, you’ll ...