: a material (such as compost) used to top-dress soil
Bagged steer manure was used in the past as a topdressing for lawns when overseeding.—Bob Morris By adding an inch of top dressing each year you can get a nice thick layer of topsoil in a few years.—Gerald Filipski
: the act or practice of applying topdressing
Cultivation in conjunction with topdressing should be accomplished during times of the year when there is adequate moisture available and when the turf is actively growing and is in a position to repair itself. —Jim Hermann
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