In recent years, sulfur (S) deficiency has been diagnosed in corn, soybean, alfalfa, and wheat in the Midwest, including Indiana and Michigan.
4 articles tagged "sulfur deficiency".
Sulfur (S) deficiency has become more common in Indiana with reduction in atmospheric deposition of S arising from coal-fired power plants.
Light green alfalfa in the background of the photo was adequate in all nutrients except S which was 0.14% – well below the critical level of 0.25%.
Now that cleaner air has reduced the amount of sulfur acquired by plants and soil from rainfall or adsorbed directly from the air, sulfur deficiency of crops appears to be increasing.
