A topdressing of fertilizer should be added to improve growth as mint impoverishes the soil quickly.
应施顶肥以促进生长，因为薄荷会使土壤迅速变得贫瘠。
《柯林斯英汉双解大词典》
2
Topdressing at heading would redound to substance accumulation of hull, but have no effects on hull size.
施用粒肥有利于谷壳的物质积累，对谷壳大小影响较小。
3
Topdressing, adding soil and sand that trickle through grass and ground cover plants is not just necessary for proper drainage, but for plant and grass health.