How to apply fertilizer to big paulownia and small seedlings

The appropriate time should be chosen to fertilize the big and small seedlings of paulownia. After the seedlings sprouted, topdressing every 10 days. Fertilization is not allowed in cloudy and rainy days and needs to be operated on sunny days. The fertilizer is mainly nitrogen, phosphorus and potassium element fertilizer, the concentration should be diluted before use, and the fertilizer liquid should not be splashed on the seedling bud.

How to fertilize the small seedlings of Caulownia paniculata

1. Fertilization after germination

It is not recommended to apply fertilizer and nutrition to the small seedlings of paulownia that have just been planted in the soil, and it is best to wait until they sprout before topdressing. The fertilizer is mainly nitrogen, phosphorus and potassium element fertilizer, which replenishes the development elements for the big petulownia seedlings and topdressing every 10 days or so to ensure sufficient fertility, but before topdressing, it is necessary to dilute the fertility concentration before use.

2. Dressing up in sunny days

Small seedlings of paulownia are more likely to be stiff or dead because of improper fertilization. The time of fertilization should be operated in a sunny, ventilated and ventilated environment as far as possible. if you encounter continuous cloudy or rainy days, do not apply fertilizer to the seedlings of paulownia, so as to avoid fertilizer damage in the soil.

3. Taboos on fertilization

No matter what kind of element fertilizer is applied, it is safer to dilute the fertilizer concentration with water before using it. In addition, in the process of use, do not directly pour the fertilizer on the seedling, or splash the fertilizer on the seedling, otherwise it will cause the seedling to be rotten and burn, yellowing, wilting and wilting.