西北荒漠区土壤氮素组分沿干旱梯度的空间变化 |
杭伟, 陆永兴, 郭浩, 郭星, 张世航, 张元明, 周晓兵 |
Spatial variation in soil nitrogen content along aridity gradients in the northwest desert region in China |
Wei Hang, Yongxing Lu, Hao Guo, Xing Guo, Shihang Zhang, Yuanming Zhang, Xiaobing Zhou |
图3 环境因子与土壤氮素含量之间的关系 TN: 全氮;NH4+-N: 铵态氮;NO3--N: 硝态氮;IN: 无机氮;ON: 有机氮;NH4+-N∶NO3--N表示铵硝比;ON∶IN表示有机无机氮比例 |
Fig.3 Relationship between environmental factors and soil nitrogen content |
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