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 ...

The classic microscope is getting a modern twist—US researchers are developing an AI-powered microscope system that could make soil health testing faster, cheaper, and more accessible to farmers and ...

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 ...

It’s never too early to prepare for a strong growing season. You don’t have to wait until spring to test your soil quality. Fall soil fertility testing to determine residual nutrients and soil ...

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: ...

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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 ...

Federal agencies are removing topsoil from burned areas but will not test it for contaminants. So scientists and residents are testing fire-affected properties themselves. By Livia Albeck-Ripka and ...

Why is a Los Angeles-based foundation funding soil testing of 1,200 homes for toxic substances such as lead and arsenic in the Palisades and Altadena fire zones? Because federal agencies overseeing ...