The time to fertilize crabapple is mainly in its growth period, specifically in spring and autumn.Moreover, when planting, we can judge whether we need to mix in base fertilizer according to the amount of nutrients in the soil, and if the nutrients are insufficient, we need to mix in some.
The base fertilizer in the soil can choose bone meal and other substances containing more nutrients.The fertilizer used during the growth period, generally speaking, choose the liquid fertilizer purchased from the store, the effect is better.
1. The application method of base fertilizer is relatively simple, which is directly mixed into the soil and then stirred evenly.When using liquid fertilizer in the growing period, we need to pay attention to dilution, the concentration can not be too high, let alone dilute it directly, otherwise it will cause great harm to the health of plants.After dilution, it can be sprinkled on the soil surface.
2, the other is the frequency of fertilization, not too high, 10-15 once a day can basically meet the requirements.
3. At the beginning of spring, nitrogen fertilizer was mainly used to promote the germination of branches and leaves; Phosphorus and potassium fertilizers are mainly used before and after the flowering period to promote flowering.
1. When the temperature is not suitable, it is not good to fertilize too high or too much.
2. When fertilizing, you have to be very careful not to get the fertilizer liquid on the leaves.