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Potential Productivity of Tropical Perennial Crops

Published online by Cambridge University Press:  03 October 2008

R. H. V. Corley
Affiliation:
Bakasawit Clonal Oil Palm Research Unit, P.O. Box 207, Banting, Selangor, Malaysia

Summary

Large yields and dry matter production rates have been recorded for tropical perennial crops, despite the fact that little research has been done on most of them. Considerable increases in productivity should still be possible, since the potential energy fixation rate for such crops is estimated to be about 1.2 TJ ha−1 a−1. The dry matter equivalent of this energy varies between species; the oil crops and rubber, in particular, have large energy contents in their respective economic products. Hot leaf temperatures appear to limit productivity in some crops, while unfavourable partitioning of assimilates limits yield at the large leaf area indices necessary to maximize dry matter production. Respiratory losses are large in these crops and selection for smaller respiration rates could lead to considerable improvements in their net productivity.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1983

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References

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