top-dress

Definition

(1) To apply fertilizers or mulches to the soil surface around plants. (2) To apply organic and inorganic dressing to lawns to feed and improve the texture of the grass. (3) To apply material such as stone or grit, usually decorative, to the surface of the soil or potting mix around a plant, in order to improve drainage and reduce moisture loss. (4) To renew the upper layers of potting mix.

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