The Difference Between Healthy And Unhealthy Soil | Video

Healthy soil stays stuck together with a glue-like plant byproduct called glomalin. This means degraded soils with low amounts of glomalin more easily falls apart when moistened, as this video demonstrates.



via LiveScience.com http://www.livescience.com/39227-the-difference-between-healthy-and-unhealthy-soil-video.html