Rajapaksha, R.A.N.M.; Edwin Linosh, N.
(Faculty of Applied Science University of Vavuniya Sri Lanka, 2025)
The cultivation of betel leaf (Piper betle) is an important supplementary livelihood for many
farmers in Sri Lanka’s wet zone, particularly in the districts of Gampaha, Kalutara, and Colombo. However,
the productivity ...