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   土壤再生 的翻译结果: 查询用时:0.256秒
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土壤再生
相关语句
  相似匹配句对
     Seeds have been obtained by transplanting regenerated plants to soil.
     再生植株移入土壤已经获得种子。
短句来源
     Regenerated Polyester Fibres
     再生聚酯纤维
短句来源
     Liver Regeneration
     肝再生
短句来源
     Machine Proccessing of Remotely Sensed Data and Soil Information Systems and Remote Sensing and Sail Survey
     土壤遥感
短句来源
     soil fertility;
     土壤肥力;
短句来源
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  soil renewal
It seems that the Enchytraeidae contribute around 60% of the total soil animal respiration in this acid beech wood, and thus play an important role in soil renewal.
      
Overall soil is being lost from land areas 10 to 40 times faster than the rate of soil renewal imperiling future human food security and environmental quality.
      


The factors,which influences transferring of cotton regeneration plants,have been studied. The results indicated the kinds of soil, quality of regeneration plants and advantageous root were key factors for the transferring of cotton regeneration plants. The following were three key techniques for the successful transferring of cotton regenerated plants: induction on advantageous root in the medium supplement with 2030mg/L IAA or IBA,building up regenerated plants resistant to adversity and sterile soil. On the...

The factors,which influences transferring of cotton regeneration plants,have been studied. The results indicated the kinds of soil, quality of regeneration plants and advantageous root were key factors for the transferring of cotton regeneration plants. The following were three key techniques for the successful transferring of cotton regenerated plants: induction on advantageous root in the medium supplement with 2030mg/L IAA or IBA,building up regenerated plants resistant to adversity and sterile soil. On the basis,a method was established for the transferring of cotton regeneration plants.

对影响棉花再生植株移栽的因素进行了探讨,结果表明移栽土壤、再生植株的素质和根的性质是棉花再生植株移栽成活的关键所在。用20~30mg/LIAA或IBA先诱导形成大量的不定根、培育壮苗和移栽到无菌土中,并注意在移栽过程中对再生植株驯化是提高棉花再生植株移栽成活的关键所在。在此基础上,建立了棉花再生植株移栽法。利用该方法可使一半左右的再生植株移栽成活。

Dynamic soil erosion processes involve the spatial and time dependent processes of detachment, rill formation, deposition, re rilling from deposited sediment and scouring of rills. Rill scouring associated with sediment re-detached from a depositional area can be an important phenomenon in rill narrowing and deepening. In this study, an apparatus was designed to measure the parameters for rill cutting in loose material similar to deposited soil. Experimental results were conducted for determining the flow rates...

Dynamic soil erosion processes involve the spatial and time dependent processes of detachment, rill formation, deposition, re rilling from deposited sediment and scouring of rills. Rill scouring associated with sediment re-detached from a depositional area can be an important phenomenon in rill narrowing and deepening. In this study, an apparatus was designed to measure the parameters for rill cutting in loose material similar to deposited soil. Experimental results were conducted for determining the flow rates at which rill formation starts and ends for each aggregate group and slope. Critical shear stress as related to bed slope was calculated. The results improve our understanding and quantification of rill cutting in loose material as well as the relationship between critical shear stress and slope. The results may be of particular value in developing process models of rill evolution wherein rills re cut through deposited material.

动态土壤侵蚀包括依赖于空间与时间的土壤剥离、细沟的形成、水流中过量泥沙的沉积、沉积泥沙中细沟的再生等物理过程。与泥沙从沉积区域再剥离相关联的细沟再生是细沟变窄加深过程中的一个重要的现象。该文介绍一种实验装置 ,用于测量类似于沉积土壤的疏松土壤材料细沟再生的力学参数。用一种沙壤土进行实验 ,测定了不同团聚体大小和坡度下细沟再生开始和停止所对应的临界水流量。计算出了与沟坡相关的临界剪切应力。这些结果有助于理解细沟的再生及其数量关系 ,以及临界剪切应力与坡度间的定量关系 ;对于发展由沉积土壤再生的细沟演化过程模型特别有用。

We reviewed here the classification and mechanism of polymer soil amendments, the roles of the amendments in improving soil fertility, reducing soil and water losses, ameliorating dry land soil, and the remediation of saline-alkaline and contaminated soils as well.

本文综述了高聚物土壤改良剂的分类及其改良土壤的作用机理 ,以及在提高土壤肥力 ,减少水土流失 ,改良干旱土壤 ,盐碱地和污染土壤的再生等方面的应用

 
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