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桉树是桉属树种的统称。其种类繁多,生长速度和抗风力差异很大,本试验的目的是选择生长快、抗风力强,适合在我市栽植的优良桉树树种。一、试验地的概况试验地设在三亚市林科所,坡向东南,地势平坦,海拔高25-30m,年平均气温25.5℃、最高气温35.7℃、日均温≥15℃的年积温为10,000℃左右、全年日照约有2,586h、太阳
Eucalyptus is a collective term for eucalyptus species. Its variety, growth rate and wind resistance are very different, the purpose of this experiment is to choose fast growth, strong wind resistance, suitable for planting in our city of good eucalyptus species. First, the general situation of the experimental site Experimental site located in Sanya City, Lin Ke, slope to the southeast, flat, 25-30 m above sea level, the annual average temperature of 25.5 ℃, the maximum temperature of 35.7 ℃, the average daily temperature ≥ 15 ℃ of accumulated temperature About 10,000 ℃, the annual sunshine is about 2,586h, the sun