Key Points of Camellia oleifera Planting Technology and Introduction to Afforestation Management Methods

Camellia oleifera is an important woody oil tree species in southern China. The tea oil pressed from its seeds is clear, fragrant, and nutritious, and is often called Oriental olive oil. It stays green year-round and has a long lifespan, so a single planting can be harvested for many years. It is well suited for development in hilly and mountainous areas and is also a project that many farmers choose to increase their income.

To plant Camellia oleifera, the first step is to choose a good site. It prefers a warm, humid climate and is suitable for acidic red or yellow soil with deep soil layers and good drainage. A sunny gentle slope is most ideal. Low-lying, waterlogged plots and plots with heavy clay soil are not suitable for afforestation. When preparing the land, first clear the weeds and shrubs, then dig holes at a reasonable plant and row spacing, and apply enough decomposed organic fertilizer in the holes as a base fertilizer to lay a good foundation for the growth of young trees.

Planting is mostly arranged in early spring or early winter during the dormant period of the seedlings, and strong, improved seedlings with healthy growth and intact root systems should be selected. When planting, make sure the roots are spread out, the seedling is upright, and the soil is tamped down in layers. Water thoroughly to settle the roots, and the hole surface can be covered with rice straw or weeds to conserve moisture and prevent drought, which can significantly increase the survival rate.

During the young forest stage, the focus is on weed control, loosening the soil, and water and fertilizer management. Cultivation should be carried out two or three times a year to promote early and rapid growth of the young trees. After entering the mature forest stage, attention should be paid to shaping and pruning, promptly cutting off dead branches, diseased and insect-damaged branches, and overly dense branches to improve ventilation and light penetration. Fertilizer should also be applied in a timely manner according to the fruiting situation to lay the foundation for stable and high yields.

Common diseases of Camellia oleifera include anthracnose and soft rot, and pests include the Camellia oleifera looper. In daily management, prevention should be the main approach. Promptly clean up fallen fruit and fallen leaves, and when disease is found, use targeted pesticides in the early stage. When the fruit is ripe, the peel becomes shiny and partially splits, which means it can be harvested. After harvesting, spread the fruit in the sun to extract the seeds and press oil as soon as possible to ensure the quality of the tea oil and the oil yield.