Phospholutions, Swisher’s State College-based startup, manufactures RhizoSorb, a granular treatment that “emphasizes root production over shoot growth, acting as a natural growth regulator, to make shorter and more compact seedlings more likely to survive the transplant process,” the company explains on its website. “Roots exist to draw water and nutrients from the soil. RhizoSorb works by forcing roots to grow deeper through the soil in search of key nutrients. The deeper roots reach, the longer it takes for the soil to dry out, meaning more water is available to the plant in times of drought.”
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