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Characteristics Variation of Soil Nutrition in Different Degraded Degree Alpine Meadow in Dawu Region of Guoluo Prefecture
Author(s): 
Pages: 4-6
Year: Issue:  4
Journal: Chinese Qighai Journal of Animal and Veterinary Sciences

Keyword:  果洛大武地区高寒草甸退化梯度土壤养分;
Abstract: 对果洛大武地区不同退化梯度下高寒草甸土壤养分特征变化进行了研究,结果表明:各退化梯度群落内土壤有机质,全氮,速效氮损失较大,平均流失率为46.7%,44.1%以及49.8%;全磷流失相对较少;速效磷含量的变化没有规律性,在轻度和中度退化草地中有较大幅度的损失,在重度退化草地中则明显升高.
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