Gary Zimmer - Dig a hole and observe the subsoil and aerate - YouTube

Published on Jul 17, 2012 by farmingsecrets

http://www.farmingsecrets.com/ Poor water penetration when water is running off like a river is often the result of farming the top 2 inches only. Dig a hole to find if you have an issue. What we do is use a Yeoman's plough to aerate the soil.