黄土高原沟壑区小流域土壤NO<sub>3</sub><sup>-</sup>-N的积累特征及其影响因素

郭胜利, 郝明德, 党廷辉

N0₃^--N accumulation and its affecting factors in small watershed in gully region of Loess Plateau

GUO Sheng-li, HAO Ming-de, DANG Ting-hui

自然资源学报 . 2003, (1): 37 -43 . DOI: 10.11849/zrzyxb.2003.01.006