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 ...

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 ...

Stable isotope techniques can help improve soil management and crop nutrition. To ensure the quality of stable isotope analysis through isotope ratio mass spectrometry (IRMS), appropriate sample ...

One of the most common questions gardeners have is how to fertilize specific plants. Many plants have individual nutrient needs, but for all plants it is impossible to guess at what you need without ...

For the best experience, please enable JavaScript in your browser settings. It is important that farmers sample soils correctly for the best test results. From my ...

We offer several types of tests to meet the needs of our varied clientele. The “Soil Fertility Tests” and the “Lead Screening Test” are the tests most commonly used by farmers, homeowners, landscapers ...

Wildfire survivors across Los Angeles County are discovering that the most dangerous consequence from a wildfire isn’t always visible. Lead, arsenic, and other toxic metals could be hiding deep in ...