Fang Wei, an engineer at Kunming Institute of Botany, Chinese Academy of Sciences, believes that eucalyptus will release toxic substances, which are harmful to crops and people and livestock. There is no scientific basis for this. Eucalyptus has been cultivated in western Guangdong for more than 50 years. At present, more than 80% of the forest land is planted with eucalyptus, and the export of processed wood chips has become a local pillar industry. So far, there is no report of environmental pollution caused by the release of toxins from eucalyptus. On the contrary, people also extract eucalyptus oil as a valuable spice.
Eucalyptus basically grows in the conservation forests of drinking water sources in major cities in Australia. Australians who pay great attention to health and ecological security have never reported that the water source in eucalyptus forest area is not good, let alone accused eucalyptus of being poisonous. Its famous national treasure animal "koala" also eats eucalyptus leaves for a living.
As early as 2006, Guangdong Forestry Bureau issued a document that eucalyptus is non-toxic and harmless, and it is in line with the needs of Guangdong's economic development to develop eucalyptus plantations in suitable places and trees. The document entitled "Opinions on Developing Eucalyptus Plantation" points out that after scientific argumentation by many experts at home and abroad, the statement that Eucalyptus is "toxic" lacks scientific basis.
20 14 in view of the problem of whether planting eucalyptus locally will pollute the water source, the relevant departments of Beihai randomly selected water samples from Niuweiling Reservoir and took them to the testing department for verification. The final verification report shows that the water quality indicators are normal.
According to the growth characteristics of eucalyptus, eucalyptus grows fast and accumulates dry matter quickly, so it needs to absorb a lot of carbon dioxide in the air. Therefore, the ability of eucalyptus to absorb carbon dioxide and release oxygen far exceeds that of non-fast-growing tree species, which improves air quality to some extent and slows down the greenhouse effect.