Effect Of Shade Trees On Tea Yields.

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Date
1965
Authors
McCulloch J.S.G
Pereira H.C
Kerfoot O.
Goodchild N.A
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Abstract
Planting of Grevillea robusta shade trees throughout tea gardens has been shown, under East African conditions, to cause a considerable reduction in yield of var. assamica tea, amounting overall to 10-15 %; a single test indicated that tea quality was also adversely affected. Results were obtained by visual counts of bushes shaded during periods of bright sunshine and by separate plucking of plots of tea at different distances from mature shade trees in two areas of contrasting climate with 50 inches and 70 inches annual rainfall respectively. The reduction in yield from increasing shade was as great in rows near to the shade trees as in rows most distant from them
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East African Agricultural And Forestry Journal, 2, p. 385-399