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浏览/检索结果: 共6条，第1-6条 帮助 限定条件 发表日期：2011    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 NUTRIENT DISTRIBUTION, GROWTH, AND WATER USE EFFICIENCY IN MAIZE FOLLOWING WINTER WHEAT IRRIGATED BY SPRINKLERS OR SURFACE IRRIGATION SCI/SSCI论文 2011 Lv G. H.; Kang Y. H.; Li L.; Liu S. P. 收藏  |  浏览/下载：17/0  |  提交时间：2012/06/08 grain yield  irrigation method  maize  nutrient distribution  crop  rotation  water use efficiency (WUE)  north china plain  hydraulic conductivity  root distribution  deficit  field  evapotranspiration  microclimate  frequency  length  soils   Potential influence of water level changes on energy flows in a lake food web SCI/SSCI论文 2011 作者:  Xu J. 收藏  |  浏览/下载：17/0  |  提交时间：2012/06/08 stable isotopes  seasonal food sources  IsoSource model  water level  Poyang Lake  nitrogen isotope ratios  stable-isotope  fresh-water  seasonal-variations  terrestrial carbon  organic-matter  fish community  climate-change  yangtze  plants   Leaching losses of nitrate nitrogen and dissolved organic nitrogen from a yearly two crops system, wheat-maize, under monsoon situations SCI/SSCI论文 2011 作者:  Liang T. 收藏  |  浏览/下载：39/0  |  提交时间：2012/06/08 Dissolved organic nitrogen  Nitrate nitrogen  Leaching losses  north china plain  double-cropping system  in-field lysimeters  winter-wheat  management strategies  agricultural soils  corn  fertilization  accumulation  rotation   Variation in carbon isotope discrimination in Cleistogenes squarrosa (Trin.) Keng: patterns and drivers at tiller, local, catchment, and regional scales SCI/SSCI论文 2011 作者:  Yang H. 收藏  |  浏览/下载：15/0  |  提交时间：2012/06/08 C(4) species  (13)C discrimination  grazing  Inner Mongolian steppe  leaf nitrogen content  precipitation  bundle-sheath leakiness  xilin river-basin  amaranthus-retroflexus l  nitrogen use efficiency  inner-mongolia steppe  water-use efficiency  chenopodium-album l  c-4 plants  gas-exchange  rainfall gradient   Nitrogen deposition and its ecological impact in China: An overview SCI/SSCI论文 2011 作者:  Zhang Y.;  Zhang Y. 收藏  |  浏览/下载：53/0  |  提交时间：2012/06/08 Atmospheric pollution  N emission and deposition  Critical loads  Ecological impact  simulated n deposition  atmospheric wet deposition  ecosystem carbon  exchange  pinus-massoniana needles  3 tropical forests  mics-asia-ii  southern china  yellow sea  anthropogenic sources  litter decomposition   An old-growth subtropical Asian evergreen forest as a large carbon sink SCI/SSCI论文 2011 Tan Z. H.; Zhang Y. P.; Schaefer D.; Yu G. R.; Liang N. S.; Song Q. H. 收藏  |  浏览/下载：47/0  |  提交时间：2012/06/08 Eddy covariance  Biometric method  Old-growth  Management  net ecosystem exchange  eddy covariance  flux measurements  deciduous  forest  european forests  central germany  co2  respiration  dioxide  balance