Journal of Oil Palm Research Vol. 10 No. 2  1998 Dec p.  39-44

Notes on oil palm productivity. III. The use of sap flux probes to monitor palm responses to environmental conditions

Author(s): HENSON, I E*

Using a system developed in France, relative sap flux was measured in trunks and frinds of palms in relation to the potential evapotranspiration (PET) and evapotranspiration (ET) rates deduced from micrometeorological measurements. The method provided a sensitive means of detecting changes in transpirational activity related to radiation, PET, soil water supply and frond aging. Its further use and development are discussed.

Keywords: , , ,

Author Information
* Palm Oil Research Institute of Malaysia, P.O. Box 10620, 50720 Kuala Lumpur, Malaysia.

Present Address: 21 Hurrell Road, Cambridge CB4 3RQ, UK.

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