藏北高寒草地土壤有机质化学组成对土壤蛋白酶和脲酶活性的影响
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Effect of soil organic matter chemical compositions on soil protease and urease activity in alpine grassland soils in Northern Xizang, China
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图4. 藏北不同高寒草地类型土壤有机质化学成分相对丰度。AD, 高寒荒漠; ADS, 高寒荒漠草原; AM, 高寒草甸; AMS, 高寒草甸草原; AS, 高寒草原。 |
Fig. 4. Relative abundance of soil organic matter chemical compositions in different grassland soils in Northern Xizang, China. AD, alpine desert; ADS, alpine desert steppe; AM, alpine meadow; AMS, alpine meadow steppe; AS, alpine steppe. |
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