Carrot is a heavy feeder particularly for

Answer: Option A

Carrot is a heavy feeder, particularly for K (Potassium).
Heavy feeder refers to a plant type that requires more nutrients than other average plants.
The carrot is a heavy potassium and calcium feeder. It requires 3-fold and 2-fold of these nutrients, respectively, as compared to the nitrogen rate. Potassium promotes solid, sweet carrots.