TY - GEN AU - Mukerji, K.G. AU - Rajak, R.C. AU - Upadhyay, Rajeev K TI - IPM system in agriculture V.1 principles and perspectives T2 - IPM system in agriculture SN - 81 8535 3 39 5 U1 - 632.9 RAJ CY - New Delhi, Aditya books private limited KW - Agricutlure - principles IPM system ER -