Dirt Matters: The Underground Truth About Growing Killer Cannabis
Here's the counterintuitive truth that this federally funded study reveals: cannabis plants grown in nutrient-depleted, biologically dead soil produced significantly higher THC levels than plants in rich, healthy soil. The conventionally tilled fields—where soil structure is destroyed annually, beneficial microbes are killed off, and organic matter is depleted—created plants pumping out THC at rates that would make any recreational grower drool.