A study on growth characteristics of Eucalyptus urophylla × E.grandis plantation
The growth charateristics of Eucalyptus urophylla x E. grandis plantation were studied in northern suburb of Nan-ning city in Guangxi. The results showed that the stand DBH, height and volume of E. urophylla x E. grandis plantation significantly increased with increasing stand age. The stand volume of E. urophylla x E. grandis plantation of 1. 5, 2. 5, 3.5 and 4.5 years old were 2. 02,45. 59,98. 87,134. 58 and 152.57 mVhm2 respectively, showing the characteristic of early rapid growth. With increasing of stand age, the total increment of height, DBH and volume of E. urophylla x E. grandis plantation did not decline, but their annual increment had an obviously decreasing trend.
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