Broad-leaved trees artificially promote natural forest regeneration technology
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First, the operating points:
1. Artificially promote natural regeneration areas by ensuring that all mountains are not allowed to burn dead seeds, seedlings, and saplings of target tree species. This prevents the destruction of the ecological environment caused by mountain fires. Instead, controlled burning should be avoided in favor of more sustainable methods.
2. Manual clearing of woodland is recommended. In the felling area, branches, twigs, vines, and ground cover should be arranged along the horizontal line of the hillside and piled into strips every 4 meters. This allows for natural decomposition, which helps reduce soil erosion and enhances soil fertility over time.
3. Proper tending of young forests is essential. This should be done twice a year, during summer and autumn. During this process, weeds should be removed, and excessive sprouts should be pruned. Additionally, open spaces within the forest should be replanted with suitable tree species based on the principle of appropriate and balanced growth.
4. Adjusting the tree structure is crucial to ensure the healthy development of target species. When young trees reach 3–4 years of age, a structural adjustment should be carried out. The principle of "three cuts and three stays" should be followed—cutting thin, small, and inferior trees while keeping the strong, healthy ones. A total of 120–160 trees per acre should be maintained, evenly distributed to encourage balanced growth.
5. Timely thinning is necessary to promote the growth of mature wood. By artificially promoting natural regeneration, the forest can achieve a diverse range of species, complex structures, and high ecological value. During the thinning process, careful investigation, rational planning, and dedicated personnel must be involved to ensure quality and long-term sustainability.
Second, the scope of application:
1. Recently harvested broad-leaved forests that have not been replaced.
2. Barren hillsides that already have sufficient seedlings, saplings, and sprouts of coniferous and broadleaf species.
3. Areas designated as water conservation zones, soil and water conservation forests, riverbank protection forests, and scenic forests.
Third, economic benefits:
Artificially promoting natural regeneration follows the biological characteristics of trees and uses artificial techniques to restore forest ecosystems. This method is cost-effective, supports multiple tree species, promotes rapid growth, increases biomass, and enhances ecological functions. Compared to traditional plantations, the investment required is only one-third to one-fourth, while biodiversity can reach 30 to 50 species—10 to 15 times higher than that of plantations. The resulting plant community is more stable, with both positive and negative tree species coexisting in an organized manner. This maximizes the use of water, nutrients, sunlight, and heat, leading to higher yields per unit area. Additionally, the forest's capacity for water conservation, windbreak, sand fixation, and resistance to pests and diseases is two to three times greater than that of pure forests.