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浏览/检索结果: 共7条，第1-7条 帮助 限定条件 学科主题：agriculture     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 Yield-increase effects via improving soil phosphorus availability by applying K2SO4 fertilizer in calcareous-alkaline soils in a semi-arid agroecosystem 期刊论文 FIELD CROPS RESEARCH, 2013, 卷号: 144, 页码: 69-76 作者:  Liu, CA;  Li, FR;  Liu, CC;  Zhang, RH;  Zhou, LM 收藏  |  浏览/下载：8/0  |  提交时间：2015/12/14 Potato  Spring wheat  Soil organic carbon  Available phosphorus  Semi-arid Loess plateau   Chemical Characteristics of Physically Separated Soil Organic Matter Fractions in Contrasting Arable Soils 期刊论文 SOIL SCIENCE, 2013, 卷号: 178, 期号: 3, 页码: 128-137 作者:  Li, XG 收藏  |  浏览/下载：7/0  |  提交时间：2015/12/14 Amino sugars  light organic matter  macro organic matter  neutral sugars   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   Dynamics of soil properties and organic carbon pool in topsoil of zokor-made mounds at an alpine site of the Qinghai-Tibetan Plateau 期刊论文 BIOLOGY AND FERTILITY OF SOILS, 2009, 卷号: 45, 期号: 8, 页码: 865-872 作者:  Li, XG;  Zhang, ML;  Li, ZT;  Shi, XM;  Ma, QF 收藏  |  浏览/下载：4/0  |  提交时间：2015/12/14 Burrowing rodent mounds  Vegetation and soil recovery  Soil enzyme activities  Soil microbial biomass carbon  Carbon mineralization  Root biomass  Soil aggregation   Changes in soil organic carbon, nutrients and aggregation after conversion of native desert soil into irrigated arable land 期刊论文 SOIL & TILLAGE RESEARCH, 2009, 卷号: 104, 期号: 2, 页码: 263-269 作者:  Li, XG;  Li, YK;  Li, FM;  Ma, QF;  Zhang, PL 收藏  |  浏览/下载：3/0  |  提交时间：2015/12/14 Cropping  Carbon sequestration  Clay stability  Nitrogen  Phosphorus   Crop cultivation and intensive grazing affect organic C pools and aggregate stability in and grassland soil 期刊论文 SOIL & TILLAGE RESEARCH, 2007, 卷号: 95, 期号: 1-2, 页码: 172-181 作者:  Li, XG;  Wang, ZF;  Ma, QF;  Li, FM 收藏  |  浏览/下载：3/0  |  提交时间：2015/12/14 aggregate stability  arid region  carbohydrates  cropping  grazing  organic carbon particle-size fractions   Interactions of NaCl and Na2SO4 on soil organic C mineralization after addition of maize straws 期刊论文 SOIL BIOLOGY & BIOCHEMISTRY, 2006, 卷号: 38, 期号: 8, 页码: 2328-2335 作者:  Li, XG;  Li, FM;  Ma, QF;  Cui, ZJ 收藏  |  浏览/下载：2/0  |  提交时间：2015/12/14 NaCl salinity  Na2SO4 salinity  organic carbon mineralization  microbial biomass carbon