Stone, A. 2009. Organic Management of Late Blight of Potato and Tomato (Phytophthora infestans). eOrganic article. Available at http://www.extension.org/article/18361.
Stone, A. 2009. Organic Management of Late Blight of Potato and Tomato (Phytophthora infestans). eOrganic article. Available at http://www.extension.org/article/18361.