Over a Barrel: Nutrient Co-Limitation and Liebig's Law of the Minimum.
Mary Beth Adams, 1145 Evansdale Drive, USDA Forest Service (FS), Seymour, IN, US, Farrah Fatemi, Vermont, Saint Michael's College, Colchester, VT and Ruth Yanai, One Forestry Dr., SUNY-ESF (College of Environmental Science & Forestry), Syracuse, NY