The rambutan and young tree fertilization methods and fertilizers used during the fruiting period are definitely different. The following is the fertilization plan for each period of rambutan:

1. Flower Promoting Fertilizer: It is applied before flowering from November to mid-March of the following year. The main purpose is to promote flower preservation and fruit preservation. It is recommended to use Huaqiang High Phosphorus Water Soluble Fertilizer 15-30-15+TE, which can be applied at 5 kg per mu.

2. Fruit preserving fertilizer: Determine the amount of fertilization according to the age of the tree, the vigor of the tree and the number of flowering. The main application of organic fertilizer, increase the application of water-soluble fertilizer rich in phosphorus and potassium content. In addition to organic fertilizers, each plant can be applied with 60g of universal water-soluble fertilizer 20-20-20+TE. It can also be sprayed with potassium dihydrogen phosphate solution.

3. Strong fruit fertilizer: The strong fruit fertilizer is mainly nitrogen fertilizer and potassium fertilizer. It is applied after flowering to before the second physiological fruit drop. The recommended fertilizer amount is 0.3% potassium dihydrogen phosphate + 0.5% urea, and foliar spray 2 times -3 Secondly, it takes place from 16:00 on sunny days to early evening, and it is also possible to apply high-nitrogen potassium-based water-soluble fertilizer 20-10-30+TE to the roots.

4. Fruit picking fertilizer: applied 1-2 weeks after fruit picking, the purpose is to restore the vigor and increase the yield of fruit trees in the coming year. The recommended fertilizer amount is 20-20-20+TE for farm manure or general-purpose water-soluble fertilizer, and 60-80g for each plant.