不同形态和水平的氮添加对内蒙古草甸草原土壤净氮矿化潜力的影响
李阳1,2,徐小惠1,2,孙伟3,申颜1,4,任婷婷1,2,黄建辉1,2,王常慧1,*(
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Effects of different forms and levels of N additions on soil potential net N mineralization rate in meadow steppe, Nei Mongol, China
LI Yang1,2,XU Xiao-Hui1,2,SUN Wei3,SHEN Yan1,4,REN Ting-Ting1,2,HUANG Jian-Hui1,2,WANG Chang-Hui1,*()
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图1. 氮添加形态和添加量对内蒙古草甸草原土壤理化性质的影响(平均值±标准偏差, n = 3)。只进行同一氮添加量不同氮形态的多重比较, 不同小写字母表示处理间差异显著(p < 0.05)。
Fig. 1. Effects of nitrogen (N) addition forms and levels on soil physicochemical properties in the meadow steppe in Nei Mongol (mean ± SD, n = 3). Comparison was performed with different N forms within the same N level. Different lowercase letters are significantly different (p < 0.05).
