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What is Leaf area index in Biology? PDF | Download eBooks

Learn Leaf area index definition in biology with explanation to study “What is Leaf area index”. Study leaf area index explanation with biology terms to review biology course for online degree programs.

Leaf area index Definition

  • Leaf area index, the ratio of the total upper leaf surface of a single plant or an entire crop divided by the surface area of the land on which the plant or crop grows.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson

Leaf area index Explanation

Leaf area index (LAI) is a dimensionless quantity that characterizes plant canopies. It is defined as the one-sided green leaf area per unit ground surface area (LAI = leaf area / ground area, m2 / m2) in broadleaf canopies. LAI can be determined directly by taking a statistically significant sample of foliage from a plant canopy, measuring the leaf area per sample plot and dividing it by the plot land surface area.

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