Dharmasena, C.M.D.; Banda, R.M. Ranaweera; Fernando, M.H.J.P.
(Faculty of Agriculture, University of Ruhuna, SriLanka, 2000-03-11)
Brown Plant Hopper (BPH) damage in rice was the major production constraint prevailed in 1997/98
South-West monsoon season in areas where the extent under rice cultivation was high. A survey was
conducted during the later ...