top-dressing

n [C, U] (substance used for) this process （在土地表层）施肥的过程或肥料.

tooth, tooth-powder, toothache, toothbrush, toothed, toothily, toothless, toothpaste, toothpick, toothsome, toothy (-ier, -iest), tootle, top, top drawer, top gear, top hat (also topper), top secret, top ten, top twenty, top-boot, top-dress, top-flight, top-heavy, top-notch, top-ranking, top-up, topaz, topcoat, topi, topiary, topic, topical, topicality, topically, topknot, topless, topmost, topographical, topographically, topography, topper,