Top-dressing fertilizers can be compound organic fertilizers or chemical fertilizers. After flowering shrubs bloom, top-dressing fertilizers based on phosphorus and potassium should be applied once.
Top dressing can be done with compound organic fertilizer or chemical fertilizer. After flowering, flowering shrubs should be treated with a top dressing mainly consisting of phosphorus and potassium.
Topdressing can be compound organic fertilizer or chemical fertilizer, and after flowering, flowering shrubs should be topdressing mainly with phosphorus and potassium.