1, environmental choice: Syzygium rubrum likes sunny, high temperature and high humidity environment, the soil is fertile, loose and moist, and the thin and barren soil should be applied with more organic fertilizer. Suitable for planting in leeward places, with slightly acidic sandy soil as the most suitable. Avoid frost and drought. The condition of large temperature difference between day and night is beneficial to the improvement of fruit quality.

2. Water demand: when planting Machilus thunbergii seedlings, water them as little as possible, and water them once every 10- 15 days after the growth is stable, so as to properly enhance the ambient temperature. After that, with the growth of seedlings, properly control water, turn over the soil frequently, and water once after budding. Keep the soil moist during flowering and fruiting, and water it frequently in case of drought. Generally, water 1 time in the early flowering period, full flowering period and after flowering period 1 week, and water is stopped 5 days before harvesting.

3. Fertilization requirements: If only base fertilizer is applied when planting, topdressing is generally not needed during the growth period. If the base fertilizer is insufficient, it is necessary to grasp the early stage of topdressing to prevent white growth. 3-4 years after planting, deep burial method can be used for fertilization, and 0. 1-0.2 kg compound fertilizer can be applied to each young tree.

4. Weeding and pruning: weeding and loosening the soil in time after planting. The specific method is to weed twice a year, once in the first half of the year and once in the second half of the year, depending on the plant growth. Clean up the weeds around the roots and trim the branches according to the tree shape.