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Pattern of light interception by canopies in a coconut-cacao crop combination

by Nair, P.K.R; Balakrishnan, T.K.
Publisher: 1977Subject(s): REGIMENES DE LUZ | THEOBROMA CACAO | LUZ DEL DIA | INSECTOS DAÑINOS DE LA RAIZ | CULTIVO INTERCALADO | CUBIERTA VEGETAL | RENDIMIENTO | INDIA In: Indian Journal of Agricultural Sciences (India) v. 46(10) p. 453-462Summary: 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 percent light was intercepted by coconut in a pure palm stand. Of the 56 percent sunlight available for cacao, the crop was able to intercept 63 percent when it was planted in single hedge only, and at least 76 percent 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
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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 percent light was intercepted by coconut in a pure palm stand. Of the 56 percent sunlight available for cacao, the crop was able to intercept 63 percent when it was planted in single hedge only, and at least 76 percent 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

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