To grow good plants, you need good soil. The only way to tell what your soil really needs is to take a soil test. Applying too much fertilizer could be detrimental to your plants. You could waste ...

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 ...

New soil testing by the Los Angeles County Department of Public Health has found high levels of lead and other toxic metals at homes destroyed by January’s catastrophic wildfires and cleared by ...