Productivity is the rate of production of biomass expressed in terms of
(I) (Kcal m −3 ) yr −1 (II) gm −2 yr −1 (III) g −1yr
−1 (IV) (kcal m −2 ) yr −1
Text Solution
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( II). g m⁻² yr⁻¹ → Biomass productivity (grams per square meter per year).
(IV). kcal m⁻² yr⁻¹ → Energy productivity (kilocalories per square meter per year).
(I). kcal m⁻³ yr⁻¹ → Incorrect, because productivity is not measured per cubic meter.
(III). g⁻¹ yr⁻¹ → Incorrect, as it lacks area reference.
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