Franck Groeneweg, who no-tills a variety of crops on more than 12,000 acres near Three Forks, Mont., shares how his massive Johnson-Su bioreactor system allows him to apply compost extract in furrow during planting season. David C. Johnson, molecular biologist and research scientist at the Univ. of New Mexico, developed a system billed to “bring lifeless soils back to life” by reintroducing beneficial microorganisms to the soil with biologically enhanced compost.