Net Assimilation Rate Calculator

Net Assimilation Rate Calculator

Net Assimilation Rate (NAR)

Enter dry weight, leaf area and time values

Formula:

Net Assimilation Rate
NAR = [(W₂ − W₁)(lnL₂ − lnL₁)] / [(t₂ − t₁)(L₂ − L₁)]

Where:
W₁, W₂ = Dry weight
L₁, L₂ = Leaf area
t₁, t₂ = Time (days)

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