Bonsai flowers and fertilizers should be dominated by organic fertilizers and applied in combination with chemical fertilizers. Pay attention to the following points when applying:
1. The organic fertilizer is mainly used for transplanting or changing the base fertilizer before it is transplanted, and must be fully decomposed.
2. Whether the fertilizer is basal fertilizer or top dressing, excessive fertilizer should be prevented. Usually 1kg of soil is applied with 0.15~0.2g of nitrogen (N), and the amount of nitrogen fertilizer or compound fertilizer can be used to estimate the amount of fertilizer. It should be based on the size of the pot and the size of the plant, usually applying 10-30 compound fertilizers per pot.
3. The fertilizer should not be placed at the base of the root when fertilizing, so as not to burn the root, and is not conducive to absorption; the fertilizer should be applied to the edge of the pot; do not put the fertilizer on the leaves to prevent burning the leaves.
4. In the event of a fertilizer burn accident, timely watering or changing pots should be used to replace some or most of the pottings with new soil.
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