Clarence Swanton has worked for 16 years on a super cool project that takes about 40 minutes to explain properly, as he did at the recent Southwest Agricultural Conference. Perhaps more impactful, however, is the time-lapse video he showed whereby the mere presence of weedy surroundings actually killed a tobacco seedling. Perhaps this makes sense —… Read More

Fifteen years ago, University of Guelph’s Dr. Clarence Swanton helped revolutionize weed control with his pioneering research on the critical weed-free period for soybeans and corn. Essentially, Swanton helped usher in the thinking that weeds that emerge with or shortly after the crop cause irreversible yield loss. He defined the critical weed-free period as 1st… Read More