Walgama, R.S.Tea Research Institute; TRI, Sri Lanka2016-04-182016-04-182006Proceedings of the 213th Experiments and Extension Forum, 28th July 2006, TRI, Talawakelle, 213:p.17-28https://dl-tri.nsf.gov.lk/handle/1/1866Pest controlPest controlPesticide residuesMade tea ContaminantsTea tortrixShot-hole borerPre-harvesting intervals