I express profound gratitude to Dr. Bishnu Hari Pandit, Principal, KAFCOL for giving opportunity to teach the subject “Silviculture” in 2010. I am very much grateful to Mr. Himlal Shrestha and Mr. Shiv Shankar Neupane for their arrangement s in the college. Special gratitude goes to R. A. Mandal and Baikunth Khanal for their encouragement to be an academic person. Sincere thanks go to administration and account section for their regular supports and all my colleagues who encouraged me to work as a faculty member in Kathmandu Forestry College.

Bechu K. V. Yadav