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 ...

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 ...

Farmers should consider deep soil testing for residual nitrogen and other nutrients, especially when rising fertilizer prices ...

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