Probiotics are not just for Greek yogurt. Though good bacteria and microbes have gotten a healthy rep in recent years, their huge importance in soil health cannot be forgotten. Microbes do it all: they break down plant material and rocks, fix nutrients such as nitrogen in the soil, and protect plants from pests and disease. It’s a good thing microbes are everywhere: in just one handful of soil there are more microorganisms than all the humans on earth!
