(1970) Wangati, F. J.; Parish, D.H.; East African Agricultural and Forestry Research Organisation, Muguga, Kenya
Measurements of carbon dioxide concentrations were made at three heights, two inside and one above tea and sugar-cane plantations in Uganda, using an infra-red gas analyser. No systematic difference in CO2 concentration in the atmosphere above and within the tea canopy was observed. There was a large diurnal variation in CO2 concentration above sugar-cane, but the maximum drop in CO2 concentration in the top 30 cm. of the canopy was 25 p.p.m. below atmospheric. The CO2 profiles obtained over sugar-cane were similar to those observed in tall grass and beans (Monteith, 1962) and in corn (Lemon, 1960).
