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These DIY tests uncover your soil's texture and drainage rate. Then you'll know which plants will grow best in your garden ...

We may receive a commission on purchases made from links. If you have leggy or struggling plants, it's often a sign that you should test the soil's pH level. You can invest in professional testing; ...

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 ...

Soil testing begins with the homeowner, gardener, and farmer. The most critical step in soil testing is soil sample collection. Soil testing can help growers make informed decisions about fertilizer ...

Representative soil sample testing done in a Los Angeles County Public Health study found a higher percentage of samples with lead levels above health-based screening thresholds taken from parcels ...