长江源区高寒草地土壤有机质和氮磷含量的分布特征

高洋^1,², 王根绪¹, 高永恒¹

Distribution characteristics of soil organic matter and nitrogen, phosphor content in alpine grassland ecosystem in upper Yangtze River

GAO Yang^1,², WANG Gen-xu¹, GAO Yong-heng¹

土壤速效氮和速效磷含量的变化