What a plant nursery is, the factors a nursery manager must control, the problems growers face, and how protected cultivation in greenhouses compares with open cultivation.
Deshapriya Senevirathne. B.Sc. (Hons) Biology Special, University of Peradeniya — graduated with a class pass. All the content and lessons in A/L Biology on Paadama are reviewed by Deshapriya Senevirathne, and the lessons are taught by him.