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浏览/检索结果: 共7条，第1-7条 帮助 限定条件 内容类型：SCI/SSCI论文     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 Variability in groundwater depth and composition and their impacts on vegetation succession in the lower Heihe River Basin, north-western China SCI/SSCI论文 2014 作者:  Wang P.;  Yu Q. 收藏  |  浏览/下载：15/0  |  提交时间：2014/12/24 canonical correspondence analysis (CCA)  semi-variogram.  spatial heterogeneity  dependent vegetation  northwestern china  species-diversity  lower reaches  hydrochemical characteristics  distribution patterns  plant-communities  soil properties  ejina basin  groundwater heterogeneity   Spatial variability of soil electrical conductivity in a small watershed on the Loess Plateau of China SCI/SSCI论文 2014 Hu W.; Shao M. A.; Wan L.; Si B. C. 收藏  |  浏览/下载：12/0  |  提交时间：2014/12/24 Spatial variability  Ordinary least squares  Moran's I  Generalized  least squares  Geostatistical analysis  saline-sodic water  prediction  regression  geostatistics  irrigation  model  field  sunflower  quality  yield   Improvement of salinity in sewage sludge compost prior to its utilization as nursery substrate SCI/SSCI论文 2014 作者:  Gao D. 收藏  |  浏览/下载：10/0  |  提交时间：2014/12/24 municipal solid-waste  growing media  chemical-properties  plant-growth  seedlings  soil   Increase in soil nutrients in intensively managed cash-crop agricultural ecosystems in the Guanting Reservoir catchment, Beijing, China SCI/SSCI论文 2013 作者:  Li Q.;  Li Q. 收藏  |  浏览/下载：15/0  |  提交时间：2014/12/24 Agricultural land-use  Cash crop  Management practices  Soil nutrients  Fertilization  land-use change  carbon sequestration  organic-carbon  loess plateau  north china  climate-change  phosphorus  matter  intensification  landscape   Time domain reflectometry measured moisture content of sewage sludge compost across temperatures SCI/SSCI论文 2013 作者:  Gao D.;  Chen J. 收藏  |  浏览/下载：10/0  |  提交时间：2014/12/24 Sewage sludge  Composting  Moisture content  Temperature  Time domain  reflectometry  soil-water content  complex permittivity model  electrical-conductivity  tdr   Organic manure as an alternative to crop residues for no-tillage wheat-maize systems in North China Plain SCI/SSCI论文 2013 Dai X. Q.; Li Y. S.; Ouyang Z.; Wang H. M.; Wilson G. V. 收藏  |  浏览/下载：16/0  |  提交时间：2014/12/24 NT  Soil properties  Grain yield  Biomass  Weeds  water-use efficiency  long-term  conservation tillage  total nitrogen  winter-wheat  soil quality  weed flora  carbon  yield  management   Soil salinity management with drip irrigation and its effects on soil hydraulic properties in north China coastal saline soils SCI/SSCI论文 2012 Sun J. X.; Kang Y. H.; Wan S. Q.; Hu W.; Jiang S. F.; Zhang T. B. 收藏  |  浏览/下载：83/0  |  提交时间：2014/12/24 Coastal saline soil  Salinity  Drip irrigation  Soil matric potential  Soil hydraulic properties  tension infiltrometer  water-use  conductivity  growth  l.  yield