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 ...

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 ...

Heavy metals, lead, and plastic chemicals in soil and residue are a threat after the Los Angeles wildfires. Here’s how to find out.

Soil scientist Andrew Margenot holds a jar of soil gathered from Menard County, Illinois in 1948. The University of Illinois professor said he rediscovered the "church of soil" when searching an old ...

With sky-high fertilizer prices, you want to take a Goldilocks approach for applications — not too much, not too little but just right. How can you perfectly sync your rates to each field’s needs? “If ...

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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Last month’s relentlessly rainy and all-time-wettest May hammered home why well drained soil is so important to good plant growth. So much yard soil in southcentral Pennsylvania is either naturally ...

Learn when to sample corn plants, how to interpret results and how to use tissue testing data to improve your nutrient ...