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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
马书琴1, 汪子微2,3, 陈有超4, 鲁旭阳2,*()
Effect of soil organic matter chemical compositions on soil protease and urease activity in alpine grassland soils in Northern Xizang, China
MA Shu-Qin1, WANG Zi-Wei2,3, CHEN You-Chao4, LU Xu-Yang2,*()

图3. 不同高寒草地类型土壤有机质化学组成多样性指数(平均值±标准误)。不同小写字母表示土壤有机质化学组成多样性指数在不同草地类型之间的差异性(p < 0.05)。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. 3. Richness index of soil organic matter compositions in different alpine grassland soils in Northern Xizang, China (mean ± SE). Different lowercase letters indicate significant differences among different grasslands (p < 0.05). AD, alpine desert; ADS, alpine desert steppe; AM, alpine meadow; AMS, alpine meadow steppe; AS, alpine steppe.