QQ客服 官方微博 反馈留言

浏览/检索结果: 共3条，第1-3条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 EFFECT OF CONVERSION TO ALFALFA GRASSLAND ON SOIL PROPERTIES WITH DIFFERENT ELEVATIONS AND SOIL TEXTURES IN THE SEMI-ARID REGION OF NORTHWEST CHINA 期刊论文 FRESENIUS ENVIRONMENTAL BULLETIN, 2018, 卷号: 27, 期号: 4, 页码: 2242-2252 作者:  Liu, Wenjie;  Chen, Shengyun 收藏  |  浏览/下载：53/0  |  提交时间：2019/10/09 Alfalfa grassland  Degraded cropland  Labile soil organic matter  Elevation  Soil texture   Response of artificial grassland carbon stock to management in mountain region of Southern Ningxia, China 期刊论文 CHINESE GEOGRAPHICAL SCIENCE, 2014, 卷号: 24, 期号: [db:dc_citation_issue], 页码: 436-443 作者:  Tang Long;  Dang Xiaohu;  Liu Guobin;  Shao Chuanke;  Xue Sha 收藏  |  浏览/下载：10/0  |  提交时间：2019/12/03 carbon sink  clipped grassland  mountain region  abandoned grassland  artificial Medicago sativa L. (alfalfa) grassland  southern Ningxia  carbon density   Effects of land use on soil total and light fraction organic, and microbial biomass C and N in a semi-arid ecosystem of northwest China 期刊论文 GEODERMA, 2009, 卷号: 153, 期号: 1-2, 页码: 285-290 作者:  Wang, XL;  Jia, Y;  Li, XG;  Long, RJ;  Ma, QF 收藏  |  浏览/下载：5/0  |  提交时间：2015/12/14 Alfalfa grassland  Alfalfa-crop rotation  Conventional farming  Microbial biomass  Light fraction C  Soil organic C  Soil total N