Full yield of the cacao plants can be expected only after ___________.
A
3 years
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B
5 years
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C
7 years
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D
10 years
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Solution
The correct option is D 10 years
The effect of six planting densities on cacao yield of a commercial hybrid mixture as well as the interaction of planting densities with the years were investigated. Crop data collected over a 14-year period (1977-1990) showed that it was possible to optimize the regional cacao yields by implementing high planting densities (2500 and 1736 trees ha-1).
This was however only true for the first half of the crop period. In the second half, low planting density (1059 trees ha-1) attained the best yields. This change in the ranking of planting densities over the years confirmed the presence of density-year interaction. Alternatives to achieve high productivity in high planting density systems were presented and discussed.
Key words: Density-year interaction, high productivity and Theobroma cacao L