For months, federal officials have said post-cleanup soil testing for fire-stricken homes in L.A. was unnecessary. Now, they ...

Scientists have found that microplastics in soil weaken the immune systems of earthworms, which could affect their ability to destroy harmful pathogens and negatively impact soil microbes. South ...

After initially resisting calls, federal regulators will test the soil at 100 properties in the Eaton Fire burn scar.

Scientists have discovered that a readily available substance can help remediate hazardous soil. Biochar — the remnants of organic matter burned without oxygen — adheres to contaminants and improves ...

Proper soil sample preparation is key to precise data on your soil’s pH, nutrient levels, and the exact soil amendments your ...

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 ...

The Oklahoma State University Extension Soil, Water and Forage Analytical Laboratory on the OSU campus tests more than 58,000 samples each year to protect Oklahoma’s natural resources and support ...

Federal officials have declared they will not order soil sampling after completing debris removal on Los Angeles properties that succumbed to the region’s devastating fires earlier this year, ...

The question I receive most frequently from vegetable gardeners: How much fertilizer should I apply? The second most frequently asked question: How can I get better vegetable yields in my garden? Both ...