Today’s Solutions: October 18, 2026

To a child, soil is just dirt – a home for worms. To a gardener, soil is a collection of organic matter and nutrients. But to plants, soil is a hotbed of chemical activity. And plants don’t just observe, they actively participate in this activity. Plants release chemicals into the soil, called exudates, that tell microbes to turn on or turn off certain chemical processes. Scientists are beginning to understand these signals and are hoping

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