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中国特有种艾比湖沙拐枣(Calligonum ebinuricum)不同生境的土壤特征分析[J]
Authors
中国科学院新疆生态与地理研究所吐鲁番沙漠植物园
中国科学院研究生院
+6 more
中煤国际工程集团武汉设计研究院工程所
康晓珊
张强
张永智
段士民
潘伯荣
Publication date
1 January 2011
Publisher
Abstract
对中国特有植物艾比湖沙拐枣(Calligonum ebinuricum)生境的土壤特征进行了分析。结果显示,艾比湖沙拐枣生境土壤粒径范围集中在中砂(0.25~0.5 mm)和粗砂(0.5~1.0 mm),为粗砂土;土壤的pH值在7.98~10.24之间,平均值为8.78,整体呈碱性;电导率在0.09~1.41 ms.cm-1之间;总盐含量为0.525~8.400 g.kg-1,有些地段存在盐渍化;阳离子中Ca2+含量最多,阴离子中SO42-含量最多;土壤养分含量很低,有机质含量在0.829~1.190 g.kg-1,集中在1 g.kg-1左右;各样地间土壤盐分含量特征变异系数较大,土壤机械组成..
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Last time updated on 29/11/2016