Pattern of light interception by canopies in a coconut-cacao crop combination
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1976-10
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Abstract
The intensity of light falling on the ground at different times of the day in a coconut-cacao crop mix was measured during different seasons of the year. During the peak bright hours of the day (10.00-14.00 hr) an average of 44% light was intercepted by coconut in a pure palm stand. Of the 56 %_ sunlight available for cacao, the crop was able to intercept 63% when it was planted in single hedge only, and at least 76% when planted in double hedges as a mixed crop with coconut. But the light available for cacao on a per-plant basis was less in double hedge, and this could be one of the reasons for less yield/plant in double hedge than in single hedge. (Coconut, Cocos nucifera L.; cacao, Theobroma cacao L.)
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Indian J. agric. Sci. 46(10): 453-62, October 1976