Studies of the Physiology of Coffea arabica III. Transpiration Rates of Whole Trees in Relation to Natural

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Date
1941
Authors
Nutman, F.J
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Abstract
WHEN Balls (1937) described a method of weighing by the use of an automatic chain balance! a valuable instrument was made available to the plant physiologist. It has always been recognized that the weighing of rooted plants grown in sealed containers is the only sound method for determining transpiration rates. But, especially where large plants are used, the weight of the plant and its container is very great compared with the weight-changes to be measured, and large balances are seldom sensitive. Consequently measurement of weight-loss over short time-intervals has been impossible.
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East African Agricultural and Forestry Journal, V (17), pp. 59-82
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