The role of leaf area index (LAI) in oil palm
MOHD ROSLAN Md Noor , MOHD HANIFF HarunThe importance of leaf area index (LAI) in oil palm is highlighted. Factors such as the fractional light interception, conversion efficiency e, effects of age, climate, soil and fertilizer, and carbon balance are also discussed. LAI can be influenced by the number of fronds per palm, area per frond and planting density. Planting at optimal density and avoiding excessive pruning enable optimum photosynthesis and dry matter production. This paper also highlights the conventional as well as indirect methods in measuring oil palm LAI.
Abstrak: Kepentingan indeks luas daun bagi tanaman sawit diterangkan. Faktor seperti cahaya pintasan, kecekapan penukaran e, kesan umur, iklim, tanah dan pembajaan serta pengimbangan karbon turut dibincangkan. Indeks luas daun boleh dipengaruhi oleh bilangan pelepah dalam setiap pokok, keluasan setiap pelepah dan ketumpatan tanaman. Penanaman pada ketumpatan optimum dan mengelak pemangkasan yang berlebihan dapat mengoptimumkan fotosintesis dan penghasilan berat kering. Artikel ini juga menerangkan kaedah lazim dan tidak langsung dalam menentukan indeks luas daun sawit.
Tags: LEAF AREA INDEX (LAI), MPOB PUBLICATIONS, oil palm
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