Excuse me, experts, what fertilizer should be applied to Luohansong, Wei Zi and Fusang (Dahonghua) to grow rapidly? Extra long and extra thick?

These tree species are slow-growing trees, and the effect of rapid growth cannot be achieved simply by using a certain element fertilizer. The growth of Podocarpus and Lagerstroemia indica is more important. Applying more phosphorus, potassium fertilizer and organic fertilizer can accelerate its growth to a certain extent, and the water level of planting plots should not be too high, which is easy to flood seedlings. Hibiscus and murraya are more important. It is necessary to cooperate with pruning (coring), apply more nitrogen and potassium fertilizers, and also cooperate with the application of organic fertilizers. There are artificial hormones you mentioned, but it is best not to use those drugs, which will reduce the quality of seedlings to a certain extent, but it is best to conform to the natural growth characteristics of plants and strengthen management from fertilizer, water, pests and diseases.