It is estimated that there is something wrong with the fertilizer, and the use of nitrogen fertilizer alone leads to the excessive growth of nutrients.
The nitrogen fertilizer is biased, and the momentum of vegetative growth (leaves) overshadows reproductive growth (flowers). Seize the time to topdressing phosphorus and potassium fertilizer and spraying potassium dihydrogen phosphate on the leaves to promote flower bud development, flowering and fruiting.