QQ客服 官方微博 反馈留言

浏览/检索结果: 共4条，第1-4条 帮助 限定条件 学科主题：soil science     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 Soil nitrogen and its fractions between long-term conventional and no-tillage systems with straw retention in dryland farming in northern China 期刊论文 GEODERMA, 2016, 卷号: 269, 页码: 138-144 作者:  Zhang, Hengheng;  Zhang, Yanqing;  Yan, Changrong;  Liu, Enke;  Chen, Baoqing 收藏  |  浏览/下载：3/0  |  提交时间：2016/12/06 No-tillage  Conventional tillage  Soil total nitrogen  Labile soil organic nitrogen  Soil NO3-N and NH4-N   Seasonal Changes and Vertical Distributions of Soil Organic Carbon Pools under Conventional and No-Till Practices on Loess Plateau in China 期刊论文 SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 2015, 卷号: 79, 期号: 2, 页码: 517-526 作者:  Liu, Enke;  Chen, Baoqing;  Yan, Changrong;  Zhang, Yanqing;  Mei, Xurong 收藏  |  浏览/下载：3/0  |  提交时间：2016/12/06 Long-term effects of no-tillage management practice on soil organic carbon and its fractions in the northern China 期刊论文 GEODERMA, 2014, 卷号: 213, 页码: 379-384 作者:  Liu, Enke;  Teclemariam, Saba Ghirmai;  Yan, Changrong;  Yu, Jianmin;  Gu, Runsheng 收藏  |  浏览/下载：2/0  |  提交时间：2016/12/06 No-tillage  Conventional tillage  Soil organic carbon  Labile soil organic carbon  Winter wheat yield   Long-term effect of chemical fertilizer, straw, and manure on soil chemical and biological properties in northwest China 期刊论文 GEODERMA, 2010, 卷号: 158, 期号: 3-4, 页码: 173-180 作者:  Liu, Enke;  Yan, Changrong;  Mei, Xurong;  He, Wenqing;  Bing, So Hwat 收藏  |  浏览/下载：2/0  |  提交时间：2016/12/06 Grain yield  Long-term experiment  Microbial biomass  Soil enzyme activities  Soil nutrient contents