Scientific Principles of Plant Protection with Special Reference to Chemical Control
Martin, Hubert,
Scientific Principles of Plant Protection with Special Reference to Chemical Control Textual Documents Hubert Martin - 2nd. - London Edward Arnold & Co. 1936 - 379.
Plant injuries, diseases & pests Plant Protection
632
Scientific Principles of Plant Protection with Special Reference to Chemical Control Textual Documents Hubert Martin - 2nd. - London Edward Arnold & Co. 1936 - 379.
Plant injuries, diseases & pests Plant Protection
632