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| Characteristics of change of humic substance in soil in degraded grass lands | |
| 作者姓名： | Sheng Xuebin Zhao Yuping |
| 作者单位： | Research Center for Eeo-Environmental Sciences，Chinese Academy of Sciences，Beijing 100085，China,Beijing University of Agriculture，Beijing 100094，China |
| 摘 要： | ＣｈａｒａｃｔｅｒｉｓｔｉｃｓｏｆｃｈａｎｇｅｏｆｈｕｍｉｃｓｕｂｓｔａｎｃｅｉｎｓｏｉｌｉｎｄｅｇｒａｄｅｄｇｒａｓｌａｎｄｓＳｈｅｎｇＸｕｅｂｉｎＲｅｓｅａｒｃｈＣｅｎｔｅｒｆｏｒＥｃｏＥｎｖｉｒｏｎｍｅｎｔａｌＳｃｉｅｎｃｅｓ，Ｃｈｉｎｅｓｅ... |
| 关 键 词： | grass land degradation humic substance functional group substitution amount． |
| 收稿时间： | 1996/8/19 0:00:00 |
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