1. If you want to make petunia flowers more colorful and larger, the earlier fertilization should be carried out, it is suggested to start using when it comes out of small bud, and the effect will be more obvious.
2. When applying fertilizer, the concentration of fertilizer must be paid attention to, thin fertilizer should be applied more, so as to avoid the death of plants caused by the situation of burning seedlings. At the same time, the roots of plants should be as far away from the place of slow fertilization as possible.
3. In winter, the metabolism function of Petunia flower will slow down with the continuous decrease of temperature. At this time, there is little water and fertilizer needed, so fertilization can be carried out according to the actual growth of Petunia flower.
1. The most important thing to fertilize Petunia is to pay attention to the fact that the fertilizer should not be partial, heavy, and the nitrogen fertilizer like urea can be applied to cattle.
2. Fertilizer such as potassium dihydrogen phosphate can be applied frequently during the flowering period to make the flowers bloom more vigorously.
3. If the flower of Petunia becomes smaller, it may be caused by too little fertilization, and the fertilizer mainly composed of phosphorus should be applied for improvement.
4. In addition, peat and coconut bran can be used for planting. The amount of base fertilizer should be sufficient, and the slow-release fertilizer and chicken manure can be used. It should be noted that the self-made manure is not recommended to be used in the family. The odor of this fertilizer is intolerable and easy to attract insects.