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浏览/检索结果: 共2条，第1-2条 帮助 限定条件 发表日期：2016     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 Seasonal variation of physical and chemical properties in a black soil under no-till and conventional tillage in northeast china 期刊论文 Philippine agricultural scientist, 2016, 卷号: 99, 期号: 3, 页码: 277-282 作者:  Chen, Qiang;  Kravchenko, Yuriy Stanislavovich;  Li, Hao;  Chen, Shuai;  Zhang, Xingyi 收藏  |  浏览/下载：39/0  |  提交时间：2019/05/09 Black soil  Conventional tillage  Flat farmland  Maize growing season  No-till  Sloping farmland  Soil tillage   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