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From NPK to Microbes: Building Healthier Roots (and Fewer Gnats)

From NPK to Microbes: Building Healthier Roots (and Fewer Gnats)

Season 2 Episode 5 Published 6 months, 1 week ago
Description
In this episode of The Dirt on Gardening, we’re joined by Tiffany Davis, creator of Thryve Roots, for a lively deep-dive into soil health. We unpack the basics of NPK (nitrogen for leafy growth, phosphorus for roots/flowers, potassium for overall vigor), why nutrient mobility matters after heavy rains, and how soil amendments and microbes improve nutrient uptake and water retention without encouraging overwatering. We also touch on pollinator-friendly practices, terpene profiles, and practical propagation tips using moss and amendments. Beyond the science, we swap weekend stories—from unexpected wildlife on the golf course to campus talks at NC State—and answer rapid-fire community questions: fungus gnat control with BTI “tea,” propagating woody cuttings (including cherries), and dialing in seed-starting mixes with coco coir, peat, and perlite. By the end, you’ll have a clearer roadmap for balancing fertilizers with amendments and a teaser for part two on often-overlooked micronutrients.
 

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