This week I am pleased to have as my guest writer, Dr. Gordon Vail with Syngenta. Dr. Vail and I have had a long history of working together, dating back to our early days when we worked with Dr. Vail on herbicide efficacy. Recently I talked to Dr. Vail about herbicide resistance and I found his comments unsettling, especially for the future of weed control as it relates to no-till. Good to the Last Drop? Will Herbicide Resistance Cripple No-till? No-till is considered a key practice for controlling soil erosion, but it is …