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Salix
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分类:古生物学          |    查看相关文献(pubmed)   |    免费全文文献




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英文: Organic matter, total nitrogen, total phosphorus and total potassium content was higher than barren sand, increasing by 1.78, 1.97, 1.64, 1.14 times, it showed Salix psammophila checkerboard improved fertility condition of soil.

中文: 设置沙柳沙障后沙丘土壤有机质含量是对照地的1.78倍,全氮含量是对照地的1.97倍,全磷含量是对照地的1.64倍,全钾含量是对照地的1.14倍,说明设置沙柳沙障能够改善沙丘土壤的养分状况。       更详细...
英文: Study indicated that establishing Salix psammophila checkerboard can effectively keep the earths surface from coarsening, because Salix psammophila checkerboard can obviously increase the fine sand and clay sand of soil surface, accounting for 15.1%, 18.3

中文: 结果表明:设置沙柳沙障的沙丘表层细沙含量比对照样地提高15.1%、粘粒提高18.3%、粉沙含量是对照地的1.8倍,说明设置沙柳沙障能够增加沙丘表层细颗粒含量,有效控制地表粗化。       更详细...
英文: The results show that compared to Salix psammophila barrier, ecomat cover does decrease surface sand transportation rate (SSTR), increase surface soil nutrient, and enhance growth of Platycladus orientalia to the extent, undoubtedly ecomat is one of surfa

中文: 研究结果表明,与沙柳沙障相比,生态垫确实可以降低近地表的输沙率,提高生态垫下土壤的养分含量,一定程度上提高柠条的地径和高度,可见生态垫是一种很好的促进流沙固定和植被恢复的地表覆盖材料;与其它两种生态垫铺设方式(品字状和带状)相比,全铺可以显著降低近地表的输沙率,提高其下土壤的养分含量,但柠条的生长状况却略差,这可能与全铺降低了小雨入渗的可能性有关;就两种部分铺设的方式而言,无论从降低近地表的输沙率还是促进柠条的生长土来看,品字状都明显优于带状。       更详细...
英文: The soil physical composition, organic matter, total nitrogen, total phosphorus, total potassium and pH of Salix psammophila ccheckerboard and contrast sand of Dalate county were investigated in 2005, the effects of Salix psammophila checkerboard on physi

中文: 摘要本试验于2005年在达拉特旗测定了设置沙柳沙障的沙丘和对照样地(未设沙障)的土壤机械组成、有机质、全氮、全磷、全钾、酸碱度等理化指标,对比分析沙柳沙障对土壤理化性质的影响。       更详细...
英文: The heat pulse technique and wood anatomy methods were applied to the study of the relationship between stem sap - flow velocity and wood anatomical structure of Robinia Pseudoacacia L. and Salix babylonica L. .

中文: 应用热脉冲技术(Heat-pulse technique)和木材解剖学方法,研究了洋槐(RobiniaPseudocacia L)和垂柳(Salix babylonica L)两树种树干液流速度变化和其与木材解剖结构的相关性。       更详细...
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