Various viewpoints were proposed to explain the causes of recent years’ severe drought occurred in Yunnan and Guizhou, China. In general there are two parties of viewpoints, the Eucalyptus cause and climate change cause. I think Yunnan-Guizhou drought has been mainly caused by abnormal climate change. Eucalyptus was not significant in the formation of Yunnan-Guizhou drought. However, the forest...

The use of Chromated Copper Borate (CCB) for wood treatment is known with several studies on a laboratory scale. However, there lack field to analyze the effect CCB over time. This study aimed evaluate properties Eucalyptus urophylla S.T. Blake x grandis W. Mill ex Maiden (called E. urograndis), treated as well leaching chromium, copper and bore (Cr/Cu/B) in test. experiment, untreated (no appl...