00610naa a2200205 a 450000100080000000500110000800800410001910000160006024501120007626000090018865000220019765000180021965300200023765300140025765300110027165300170028270000210029970000210032077300630034120523022016-09-01       1995    bl ---       0--  u    #d1 aBABU, S. C.  aEconomic Analyssis of yield losses due to disease - A case study of early leaf spot of groundnut in Malawi.  c1995  aeconomic analysis  afood security  aEarly leaf spot  aGroundnut  aPeanut  aYield losses1 aSUBRAHMANYAM, P.1 aN'GONGOLA, D. N.  tAfrican CRop Science Journal.gv.3, n.1. p. 105-115, 1995.