World crop protection.
Stapley, J. H.
World crop protection. J.H. Stapley, F.C.H. Gayner, With foreword by Lee Ling. - 269p. ill. 25cm.
Includes index: p.263-269
Agricultural pests.
Pesticides.
Plant diseases
World crop protection. J.H. Stapley, F.C.H. Gayner, With foreword by Lee Ling. - 269p. ill. 25cm.
Includes index: p.263-269
Agricultural pests.
Pesticides.
Plant diseases