How to Cheek Roots: Root digs can reveal below-soil maladies. Here's how to properly do them

摘要

Root digs during the growing season can tell you what's going on with your corn plants. Boh Streit, a Boone, Iowa, crop consultant, gives five tips on how to properly do root digs and how to decipher the findings. You can begin digging roots early, even when plants are in the V3 to V4 growth stages. This is when early root rots start to turn crown roots brown. Tracking disease now lets you know if the disease is advancing or slowing.