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Will eucalyptus damage the environment? Ye Zuofan Eucalyptus is a high-quality material for the pulp and paper pulp industry. It is a good way to develop poverty-stricken areas and develop the economy in the mountainous region. However, some people are worried that the development of fast-growing and high-yield oak forests will destroy the land and pollute the environment. Will the species of eucalyptus really cause damage to the environment? Eucalyptus, because of its fast-growing nature, needs to supply large amounts of nutrients, and its consumption of soil fertility during the growth process is indeed large. This is obvious. Forestry engineering and technical personnel have long recognized and have formulated a series of effective measures to eliminate their negative impacts and achieve sustainable use of forest land. For example, adding chicken manure and soil miscellaneous fertilizer to forest land, green manure and forage grasses under the forest, eucalyptus and acacia-like banding with nitrogen fixation. These measures have effectively eased the decline of the land force. There is a saying that eucalyptus is a “pumping machine†that will lower the groundwater level. It does not grow grass under the forest. How is the truth? According to relevant experts, eucalyptus transpiration rate and leaf area per plant are not higher than those of other broad-leaved trees. Due to the fast-growing nature of eucalyptus, each unit of biomass consumed consumes less water and nutrients than other broad-leaved trees. Therefore, eucalyptus does not lower the water table like a "pumping machine." Of course, the transpiration of forest trees can exacerbate the decline in groundwater levels in arid regions where rainfall is rare. Eucalypts are well-to-cultivated areas with abundant rainfall, and annual rainfall is about one thousand millimeters. Eucalyptus trees, like other broad-leaved trees, have the function of conserving water resources. As for the argument that the forest is not long grass, according to the investigation of the 8000 hectares of fast-growing eucalyptus woodland that Thailand’s Shunhecheng Company built in Shanwei City, Guangdong Province, the phenomenon of not growing grass under the eucalyptus forest has never been seen in the mountainous area. Undergrowth shrubs are both high and dense, and they are difficult to get into the forest and have to use herbicides for weed control. Only in the coastal areas has been severely denuded. The grasslands of the newly planted woodlands, which were originally “plateausâ€, were sparsely irrigated, but as the forest stands formed, the living environment of the organisms improved, and the grass irrigations gradually flourished. There is also an argument that eucalyptus will release toxic substances and harmful to crops, livestock and humans. There is no scientific basis for this. According to modern scientific research, it has not been found that eucalyptus releases any toxic substances. There are more than 50 years of eucalyptus cultivation history in western Guangdong. At present, more than 80% of forest lands are planted with eucalyptus trees. Export of processed wood chips has become a local pillar industry. So far no species of eucalyptus release toxins pollute the environment. On the contrary, people also extracted oyster sauce as a valuable spice. Because of its fast growing nature, the rapid accumulation of dry matter requires the absorption of large amounts of carbon dioxide in the air. Therefore, eucalyptus absorbs carbon dioxide and releases oxygen far more than non-fast-growing species. Eucalyptus is a “hero†that improves air quality and improves the ecological environment. Fast-growing high-yield oak forests are commodity forests, not non-commercial forests. The goal of creating industrial pulpwood is to produce wood, pursue the greatest economic benefits, and at the same time have ecological benefits. Due to the fast growing nature of eucalyptus, the yield of timber per unit area is more than ten times that of non-rapid species. It takes on the growing demand for wood, reduces the need for timber for other tree species, and reduces the need for indirect protection of ecological public goods. Forest and other forest species. The species of eucalyptus, like other tree species, plays a role in maintaining water and soil and improving the ecological environment. Communication Office: Room 529, Office Building, Shanwei Government, Guangdong Province, China. 516600 Tel: 0660-3392833
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