引用本文: | 文海燕, 傅 华, 牛得草, 张永超. 大气氮沉降对黄土高原土壤氮特征的影响[J]. 草业科学, 2013, 7(5): 694-698. |
Citation: | Haiyan WEN, Hua FU, Decao NIU, Yongchao ZHANG. Influence of nitrogen deposition on soil nitrogen characteristics in the typical steppe on Loess Plateau[J]. Pratacultural Science, 2013, 7(5): 694-698. |