Pathirana, H.M.P.; Gunarathne, A.D.N.
(University of Sri Jayewardenepura, Nugegoda, 2015-12-07)
Tea sector of Sri Lanka earns US$ 1.6 billion net foreign exchange annually while caring over one million direct and indirect employments and 2.5 million dependents. Controlling of problematic weeds is important to maintain ...