Before collecting the seed frost, the seeds should be harvested when the fruit turns brown or dark brown, as this is when they contain the highest oil content. After collection, the tung fruits should be stacked in a moist and shaded area, covered with straw to allow the husks to soften and mature. Once the peel becomes soft, the seeds are extracted and treated during winter. If sowing in spring, the seeds must be dried and mixed with sand. During storage, regular inspections are essential, and water should be added as needed to prevent mold and spoilage. Jatropha has large seeds with a high germination rate and rapid growth, making it suitable for live afforestation. It can be planted through direct seeding or transplanting. Winter sowing is typically done between December and January, while spring sowing usually takes place from late February to early March. The planting method involves preparing the soil thoroughly, digging holes spaced 50 cm by 50 cm, and placing 2–3 seeds per hole at a depth of 30 cm. A layer of fertilizer should be placed at the bottom of the hole, followed by covering the seeds with 5–7 cm of soil and a layer of straw to prevent soil compaction. When seedlings reach about 10 cm in height in May or June, one strong seedling should be left per hole. Seedlings can be transplanted in spring or late autumn to early winter. The best time for planting is when new shoots appear in early April but before the leaves fully emerge, as this maximizes survival rates. When planting, choose healthy seedlings that are 90–120 cm tall with a stem diameter of 1.5–2.5 cm. Soak the roots in a 0.5% polymer water-absorbent solution or a 500 ppm ABT3 rooting powder solution before planting them 80 cm deep in holes spaced 11 meters apart. Within one to three years after planting, regular tending and weeding should be carried out twice a year. Pruning is important to shape the tree into a "table lamp" form for higher yields. Young oil tung trees are often vulnerable to frost damage. During cultivation, base fertilizer should be applied, and timely weeding is necessary from May to September. Avoid using fast-acting fertilizers. Watering should be stopped in autumn to prevent new shoots from growing. For one-year-old seedlings, water should be provided before and after the "Little Snow" period. Cover the roots and trunk with 30–40 cm of soil and mulch with straw. In late March of the following year, after the last frost, remove the cover and loosen the soil. For two-year-old seedlings, only the root collar area needs protection. For mature trees, apply antifreeze to protect against cold. Pest control mainly focuses on sooty mold disease, scale insects, and six-spotted leafhoppers. To manage tung oil sooty mold, promptly control aphids and scale insects. If infestations are found, spray a 1000–2000 times dilution of 40% Leco emulsion or a 500–1000 times dilution of 50% dichlorvos. Lime sulfur can also be used—Baume 0.3 degrees in summer and 3 degrees in winter, with 1 degree lime sulfur sprayed in spring and autumn for effective insect control. For Jatropha curcas, apply a 20% speed kill Ding solution diluted 4000–6000 times or 90% trichlorfon diluted 800–1000 times before the plants reach 40 cm in height.

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