Beyond Organic: Biological Systems Gardening for Food Security – Part 3, by Hobbit Farmer
(Continued from Part 2.) The microbes in the soil are master mineral miners using various acids, such as carbonic acid, to break down minerals into soluble forms that are bioavailable to the plants. The plants in turn exude sugars to feed and power the microbes during the mining operation. If you live east of the Mississippi or in commercial agricultural areas where we’ve been unsustainably exploiting the soil nutrients for decades or even centuries, there is a pretty good chance your soil is deficient in micronutrients, especially anion molecules like boron, sulfur, and molybdenum that tend to leach from the …