In this paper variation patterns of latewood percentage、 wood anatomical characteristics(Tracheid morphological features, microfibrillar angle ) and basic density at radical and axial directions for loblolly pine grown in Jiangxi of China, and the correlation among them were investigated, the results were as follows:From pith to bark, the annual ring width increases rapidly in la —4a, decreases in 4a—10a, becomes wider after 17a and then levels off gradually after 22a for the changes of environments. The va...
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