TY - GEN AU - Chopra, V.L. AU - Nasim, Anwar TI - Genetic engineering and biotechnology: concepts, methods and applications SN - 8120404955 U1 - 631.5233 PY - 1990/// CY - New Delhi PB - Oxford & IBH KW - Agriculture KW - Agricultural genetics KW - Development of new varieties KW - Cultivation and harvesting ER -