Kudagamage, C.Mangalika, H.Sandanayake, C.A.2023-02-142023-02-141989Krushi, 12(2,3and4):pp.24-34https://dl-doa.nsf.gov.lk/handle/1/7278A Simple Method to Evaluate Yield Losses Due to Rice Gall-Midge, Orseolia oryzae Wood MasonA