Question

Can anyone explain me what is the meaning of "dry weight of a plant" ?

Answer 1

The weight of any plant (or other organism) part after all its water content has been removed by drying. The dry weight is an estimate of a body or of a body samples weight when all water has been removed, means the weight of the sample, excluding the weight of the water in the sample.

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Answer 2

Leaf-area ratio The photosynthetic surface area per unit dry weight of a plant. It is a measure of the efficiency with which a plant deploys its photosynthetic resources. Typically, it is increased by low light intensities.