What are the fertilization methods for greenhouse flowers?

In greenhouse flower production, there are four basic methods of fertilizing plants: mixing small granular fertilizer or slow-release fertilizer into the growing medium; topdressing small granular fertilizer or slow-release fertilizer on the surface of the flowerpot or soil; applying water-soluble fertilizer through the irrigation system; and foliar spraying.

In pot cultivation and field cultivation, applying base fertilizer combined with water-soluble fertilizer can provide sufficient nutrients for plant growth. Foliar spraying, such as spraying Flower Stem Strengthener or Flower Bud Strengthener, can be used to supplement the shortcomings of soil fertilization and water-soluble fertilization, especially for nutrients that a certain plant lacks and needs to replenish quickly. Foliar spraying is not as effective as root fertilization and can only serve as a supplement to root fertilization. However, research shows that foliar spraying can make plants healthier and more resistant to pests and diseases. (Shasha)