江西省低山区杉林土壤障碍性条件的判别分析
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DISCRIMINANT ANALYSIS OF INHIBITING SOIL CONDITIONS OF CHINESE FIR STANDS IN LOW MOUNTAIN DISTRICTS OF JIANGXI PROVINCE
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    摘要:

    随着杉木(cunninghamia lanceolata)人工林面积的不断扩大,近年来在我国南方若干地区出现了所谓杉木黄化病,表现为杉木生长衰退,枝叶自下而上逐渐枯黄,以至最后整株枯死,与此同时,它的根系发育不良并且逐渐腐烂。发病的林分在林区内呈块状、带状或成片分布。

    Abstract:

    In recent years some Chinese fir (Cunninghamia lanceolatas) stands in the southern China have been found "yellowing", i.e., the trey become stunted with yellowish to needles and root rot, and even dry up at last. The preliminary investigation revealed that it isn't infectious disease but physiological hindrance caused by inhibiting factors of soil. Owing to the complexity of the inhibiting factors in soil, we have failed to find out any critical value of soil characters by simple comparison of them. Therefore, a discriminant analysis of soil characters was conducted for two sets of surveyed data.

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罗汝英.江西省低山区杉林土壤障碍性条件的判别分析[J].土壤学报,1980,17(2):145-155. Luo Ru-ying. DISCRIMINANT ANALYSIS OF INHIBITING SOIL CONDITIONS OF CHINESE FIR STANDS IN LOW MOUNTAIN DISTRICTS OF JIANGXI PROVINCE[J]. Acta Pedologica Sinica,1980,17(2):145-155.

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  • 在线发布日期: 2013-02-25
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