Browsing by Author "Nagahaulla, S.M."
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Item Environment friendly pest control agents: Use of bio 1020 to control white grub damage of tea(1997) SVitarana, S.; Nagahaulla, S.M.; Abeysinghe, L.S.; Vitana, S.B.Item Natural enemies of mite pests of tea and biological control aspects(Tea Research Institute:Thalawakele, 1999) Nagahaulla, S.M.