00808 a2200193 4500 Nust 20230104135056.0 78040726 0582446309 : Nust 631.53,SIM Simmonds, N. W. 106761 Principles of crop improvement / N. W. Simmonds. London ; New York : Longman, 1979. xiv, 408 p. : ill. ; 23 cm. 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). Plant breeding. 106762 ddc BK 184077 184077 0 0 ddc 0 0 MCS MCS GEN 2016-12-12 631.53,SIM MCS3382 2016-12-08 2016-12-12 BK Amirah No.42, Shelf No.2