TY - GEN AU - Simmonds,N.W. TI - Principles of crop improvement SN - 0582446309 : U1 - 631.53,SIM PY - 1979/// CY - London, New York PB - Longman KW - Plant breeding N1 - The Evolution of Crops (Page-1), Basic Features (Page-27), Objectives of Plant Breeding (Page-40), Genetic Aspects (Page-66), Breeding Plants (Page-123), Trials and Multiplication (Page-205), Discrete Resistance (Page-242), Special Tech (Page-279), New Crops and Genetic (Page-315), The Social Context (Page-337) ER -