Fungous diseases of plants, with chapters on physiology, culture methods and technique - Duggar, Benjamin M. (Benjamin Minge), 1872 -1956 (Ginn and company, 1909)

Fungous diseases of plants, with chapters on physiology, culture methods and technique - Duggar, Benjamin M. (Benjamin Minge), 1872 -1956 (Ginn, 1909)

Fungous diseases of plants; with chapters on physiology, culture methods and techniques - Duggar, Benjamin M. (Benjamin Minge), 1872 -1956 (Ginn, 1909)