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宁夏罗山典型林分土壤养分特征与凋落物质量的关系
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Relationship between soil nutrient characteristics and litter quality of three typical stands in Luoshan, Ningxia, China
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图5. 3种林分类型(青海云彬纯林QY,油松纯林YS,青海云彬-油松混交林QY+YS)不同分解层凋落物养分归还量 |
Fig.5. Nutrient return of litter in different decomposition layers of three forest types |
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