Organic plant protection a comprehensive reference on controlling insects and diseases in the garden, orchard and yard without using chemicals - Yepsen, Roger B. (Emmaus, Pa. Rodale Press, 1976)
Comprend un index.
Bibliography: p. 653-654.
Includes index.
Keywords: Plantes -- Protection; Jardinage biologique; Animaux et plantes nuisibles des jardins; Plants, Protection of; Organic gardening; Garden pests; Plantes -- Protection; Jardinage biologique; Animaux et plantes nuisibles des jardins