Assessment of gravelly soil redistribution caused by a two-tooth harrow in mountainous landscapes of the Yunnan-Guizhou Plateau, China
文献类型：期刊论文
| 作者 | Jia, L. Z.1,2; Zhang, J. H.1 ; Zhang, Z. H.1,2; Wang, Y.3
|
| 刊名 | SOIL & TILLAGE RESEARCH
 |
| 出版日期 | 2017-05-01 |
| 卷号 | 168页码:11-19 |
| 关键词 | Gravelly soil Muddy soil Two-tooth harrow Tillage erosion Rocky mountainous area |
| ISSN号 | 0167-1987 |
| 通讯作者 | Zhang, J. H. |
| 英文摘要 | The processes of soil redistribution caused by hoeing tillage in hilly areas have been increasingly recognized for nearly two decades. Yet, few studies have examined the effects of hoeing tillage on soil redistribution in rocky mountainous areas. Due to a high rock fragments content of gravelly soils, a special type of hoe called the two-tooth harrow has been widely used in the Yunnan-Guizhou Plateau, China. In order to assess gravelly soil redistribution, a series of tillage experiments were set up and the subsequent data were compared with those acquired previously in hilly areas. The displacement distance of gravelly soils increased with slope gradient linearly in the range of 0.05 to 0.69 m m(-1); however, when the slope gradient extended further, an exponential equation could better describe the relationship between them. The repose angle of gravelly soils was approximately 0.69-0.70 m m(-1). Large-size rock contents and implement types are two important factors affecting tillage depth. Tillage transport coefficients (k(3) and k(4)) of gravelly soil in rocky mountainous areas were 40 and 78 kg m(-1) tillage pass(-1), respectively, displaying a slightly large k(3) value but a significantly small k(4) value compared with those in hilly areas. Due to its energy saving and applicability to gravelly soils, the two-tooth harrow is more attractive to farmers than the normal hoe in rocky mountainous areas. Moreover, the two-tooth harrow is proved to be efficient and effective in reducing tillage erosion than the normal hoe. (C) 2016 Elsevier B.V. All rights reserved. |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
| 类目[WOS] | Soil Science |
| 研究领域[WOS] | Agriculture |
| 关键词[WOS] | TILLAGE EROSION RATES ; ROCK FRAGMENT COVER ; LONG-TERM TILLAGE ; STEEP SLOPES ; NORTHERN THAILAND ; POTATO PRODUCTION ; ATLANTIC CANADA ; ORGANIC-CARBON ; MANUAL TILLAGE ; TRANSLOCATION |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000394079800002 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/18561]  |
| 专题 | 成都山地灾害与环境研究所_山地表生过程与生态调控重点实验室 |
| 作者单位 | 1.Chinese Acad Sci & Minist Water Conservancy, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Sichuan Agr Univ, Coll Water Conservancy & Hydropower Engn, Yaan 625014, Peoples R China |
| 推荐引用方式 GB/T 7714 | Jia, L. Z.,Zhang, J. H.,Zhang, Z. H.,et al. Assessment of gravelly soil redistribution caused by a two-tooth harrow in mountainous landscapes of the Yunnan-Guizhou Plateau, China[J]. SOIL & TILLAGE RESEARCH,2017,168:11-19. |
| APA | Jia, L. Z.,Zhang, J. H.,Zhang, Z. H.,&Wang, Y..(2017).Assessment of gravelly soil redistribution caused by a two-tooth harrow in mountainous landscapes of the Yunnan-Guizhou Plateau, China.SOIL & TILLAGE RESEARCH,168,11-19. |
| MLA | Jia, L. Z.,et al."Assessment of gravelly soil redistribution caused by a two-tooth harrow in mountainous landscapes of the Yunnan-Guizhou Plateau, China".SOIL & TILLAGE RESEARCH 168(2017):11-19. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。