Henaratgoda experiment
Petch, T.
Henaratgoda experiment Effect of different intervals between successive tapings of hevea brasiliensis - Ceylon 1915 - 1-26 p. - Experiment Ceylon Department of Agriculture. Bulletin No. 20 .
Henaratgoda experiment Effect of different intervals between successive tapings of hevea brasiliensis - Ceylon 1915 - 1-26 p. - Experiment Ceylon Department of Agriculture. Bulletin No. 20 .