Rubber-manuring experiments
Bamber, M.K.
Rubber-manuring experiments Experiment station, Peradeniya - Colombo 1918 - 1-12 p. - Experiment Ceylon Department of Agriculture. Bulletin No. 36 .
Rubber-manuring experiments Experiment station, Peradeniya - Colombo 1918 - 1-12 p. - Experiment Ceylon Department of Agriculture. Bulletin No. 36 .