a handbook for pre PG ag test, JRF, SRF, ARS, NET, SET, PhD, ASRB,IRMA, UPSC, NABARD, cooperative bank, PO, BEd, management and allied agricultural examinations Neeraj Pratap Singh creator text New delhi CBS Publishers and distributors 2006 3,rev. monographic 1108p. English Agronomy Plant pathology Soil science Agricultural statistics Agricultural extension 630 NEE/QU 9788123924366