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    _____________ is calculated in units of yield increase per unit of nutrient applied.
    Question

    _____________ is calculated in units of yield increase per unit of nutrient applied.

    A.

    Apparent nutrient recovery

    B.

    Production efficiency

    C.

    Agronomic efficiency

    D.

    Physiological efficiency

    Correct option is C


    Agronomic efficiency measures yield increase per unit of nutrient applied, focusing on input-output efficiency.

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