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CHA'N91 UG/15296 UG/15297 Chattopadhyay, SB Principles and procedures of plant protection / SB Chattopadhyay. – New Delhi ; Kolkata : CBS, 1991 (2018 reprint) xvi, 584p. : chart ISBN9788120402027 : ISBN8120402022 : Rs.425/- . Plant diseases . Plants, Protection of . Agricultural pests |
