What is the best fertilizer for potted rich trees?

1. Nitrogen and potassium fertilizer

There are two main types of nutrients required by the rich tree. The first element is nitrogen, which is specific to leaves and makes them big and shiny. The second element is potassium, which is good for the roots and helps them become stronger.

2. Slow release fertilizer or homemade fertilizer

Generally speaking, compound fertilizer, liquid fertilizer and the like bought on the market are all OK. But relatively speaking, there is no pertinence, and the effect will not be too good. The best fertilizers are mainly used in the following two ways:

(1) Slow release fertilizer: This slow release fertilizer is a special fertilizer for foliage plants. It is usually granular and has no taste. Apply according to the instructions and it will release fertilizer slowly. Therefore, there is no need to worry about plants being burned by excessive and over-concentrated fertilizer. The method of use is also very simple, that is, make a few small holes in the basin, and then put in fertilizer can be.

(2) Cooked soybeans: If you do not want to use purchased fertilizer, you can also make it at home. Cooked soybeans, for example, are a good choice. It contains a lot of nitrogen, which can supplement nutrition and has no peculiar smell.

3. Fertilization time and frequency

The main time to need fertilizer is during the growing season, probably from April to September. During this period, fertilization can be done approximately once every half month. If the growth is too weak, the interval can be shorter.