Sandanam, S.Punyasiri, N.Perera, K.L.S.D.Gamage, A.K.2014-11-182014-11-181982Tea Quarterly51(4)pp.180-184https://dl.nsf.gov.lk/handle/1/13491AgricultureWeed controlChemical controlImperata cylindrica (L) BeauvChemical control of illuk (Imperata cylindrica (L) Beauv.)A