It’s easy to see what’s going on with your corn crop above ground. You can see things like changes in colour, difference in height, physical damage. When it comes to a diagnosis however, in most cases it pays to start looking underground. Root analysis can keep you from throwing good money after bad. Adding nutrients to a deficient crop won’t matter if your corn can’t get to them. In this episode of the Corn School, Independent Agronomist Ken Ferrie talks about the different root systems under the plant, what each is responsible for and why proper development is so critical.. If you cannot see the embedded video below click here.