#1 Do You Know What Your Food Ate? (What Your Food Ate by David R Montgomery & Anne Biklé)
Nat's Notes
00:00
The Effects of Tillage on Soil Organic Matter
Mycorrhizal fungi colonies are essential for healthy produce. Pesticides and herbicides kill some of the nutritional value of the plants, but tilling also kills earthworms that deliver nutrients to the soil. 25 years of conventional tillage decreased soil organic matter to less than a fifth of the amount in native soils. But soil organic matter recovered almost fully just two decades after switching to no-till, cover crops, and diverse rotations.
Transcript
Play full episode
