Browsing by Author "Goonasekera, G.A.J.P.R."

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    The effect of weather on Hevea plant growth
    (Rubber Research Institute. Agalawatta, 1977) Goonasekera, G.A.J.P.R.; Peiris, L.T.
    Girth and height measurements of a number of young rubber plants of several clones were recorded for a period of over six months. The effect of weather factors; rain, humidity, pressure, wind, sunshine and temperature on the growth parameters were investigated using regression methods. Seasonal changes in girth and height were also studied.
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    Some methods for determining leaf areas in Hevea
    (Rubber Research Institute. Agalawatta, 1975) Waidyanatha, U.P.De S.; Goonasekera, G.A.J.P.R.