TY - BOOK AU - BHADRA K AU - Dr. D WILSON TI - HETEROSIS AND COMBINING ABILITY IN GREENGRAM (Vigna radiata (L.) Wilczek) FOR BILOGICAL NITROGEN FIXATION AND YIELD U1 - I:6 N98 BH 59 PY - 1998/// CY - COLLEGE OF AGRICULTURE VELLAYANI PB - DEPARTMENT OF PLANT BREEDING AND GENETICS ER -