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根系动态
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  “根系动态”译为未确定词的双语例句
     STUDY ON MECHANISM OF FERTILITY INCREASE SOIL BY GROWING SOYBEAN——Ⅱ. The Dynamic Changes of Soybean Roots in Soil Wider Conventional Cultural Practice
     大豆肥田机制的研究——Ⅱ.常规技术条件下大豆根系动态
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     Study on Root System Dynamic Change Characteristics Sin Different ecology type spring wheat
     不同生态类型春小麦根系动态变化特点的研究
短句来源
     Study on Dynamic Change Characteristic of Roots in Different-Maturity Spring Wheat Variety
     不同熟期春小麦品种根系动态变化特点研究
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     Genetic Analysis and Dynamic Developping and QTL Mapping Using RIL Populations Derived from Japonica Lowland and Upland Rice Cross
     水、旱稻RIL系根系动态发育的遗传分析及QTL定位
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     The dynamic models of upright root,level root,compound root and general root are summarized according to foreign study actuality of forest root system model.
     根据近年来国外林木根系模型研究现状综述了垂直根型,水平根型,复合根型和具有一般性的根系动态模型。
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  相似匹配句对
     DYNAMIC
     动态
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     Trends
     动态:
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     Studies on the Dynamic State of Root Growth in Saffron
     番红花根系的生育动态研究
短句来源
     A Preliminary Study on Root Growth Dynamics of Spring Wheat
     春小麦根系生长动态研究
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     Defoliation and root rottingbecome progressively serious as the disease advances.
     根系腐烂。
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  root behaviour
The obtained total density of states (TDS) has a square root behaviour on both sides of the mobility edges.
      
The TDS has a square root behaviour on both sides of the mobility edges what leads to a pseudogap of vanishing width at these points.
      
Root behaviour of trees and mustard crop under tree canopy and open areas was also studied.
      
The plant density and biomass production data and root behaviour of both trees and crop showed a close relationship.
      
In intermediate and high P soils the simple sink remains a reasonable model for root behaviour, but methods of determining desorption isotherms in undisturbed soil are required to make precise simulations of uptake from such soils.
      
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The dynamic changes of soybean roots are studied under conventional cultural conditions, and it is helpful for study about the affect of soybean root on soil conditions of different soil layer and soil environment. The results indicated that soyroot had rapid growth from branching to flowering stage, it occupied about 60-70% of the total root growth of seedling to pod filling stage. The maximum root growth of every treatment was at the podding stage, except that with no fertilizer and no subsoiling(B' ) treatment....

The dynamic changes of soybean roots are studied under conventional cultural conditions, and it is helpful for study about the affect of soybean root on soil conditions of different soil layer and soil environment. The results indicated that soyroot had rapid growth from branching to flowering stage, it occupied about 60-70% of the total root growth of seedling to pod filling stage. The maximum root growth of every treatment was at the podding stage, except that with no fertilizer and no subsoiling(B' ) treatment. In this stage, the root weight and root length of A increased 41 % and 91 % more than the B' . The root length growth was prominent in 10-20cm soil layer specially under A' and B' treatment. It showed also that the soybean root weight was positively correlated with soybean yield.

研究大豆根系的动态变化有助于探讨大豆根系对土壤环境影响的各个时期和各土层的机制。结果表明:大豆分枝期至开花期根系生长迅速,各处理此时期皆占苗期至鼓粒期总根量的 60~70%。 A、A'和 B三处理最大根量在结荚期,只有 B'最大根量提前。在结荚期、A处理根重及根长比B'分别增长41%和91%。大豆结荚期根系在土壤层中的分布: 0~ 10cm根重比其它层次占绝对优势,其中 A'较明显。大豆根长在10~20cm土层占优势,但与其他层次的差别小于根重的差别。大豆根重与大豆产量呈正相关,凡使大豆增产的技术都增加其根重。

The studies on the distribution and dynamics of forest root were reviewed in this article. As substantial components in the ecosystem, roots play an important role in succession process, the depth of root distributed and root length of trees are more in early succession than in late succession. This characteristic of roots makes them absorb nutrients and water in deeper soil layer and then creates a good habitat for escatophyte. The root distribution of forest is affected by both the intrinsic factors (such...

The studies on the distribution and dynamics of forest root were reviewed in this article. As substantial components in the ecosystem, roots play an important role in succession process, the depth of root distributed and root length of trees are more in early succession than in late succession. This characteristic of roots makes them absorb nutrients and water in deeper soil layer and then creates a good habitat for escatophyte. The root distribution of forest is affected by both the intrinsic factors (such as components, age of stand, succession stage) and ecological factors such as soil conditions, atmosphere such as doubled CO2 and climate zone. The research emphasis and technique way for studying root dynamics in forest succession process were put forward. These areas should be strengthened, such as studying on standard method of root research, relationship between layer structure of root distribution and function, the effect of global change on root, the diversity of root ecosystem and their relationships, and rapidity of root succession.

综述了演替过程中植被根系的分布与动态变化的研究进展,阐述了朱来森林演替过程根系研究的重点和技术路线。根系作为生态系统中一个重要组成部分,在植被演替过程中占有重要地位.演替早期的树种的根系分布深度和根系总长度都要比后期树种的高,这种分布特征使林木得以吸收深层的水分和养分,并为演替后期的植被生长创造了良好的生长环境。由不同种群的根系分布范围可以描述该种群可以利用的资源范围以及它在演替过程中的作用和地位。森林根系分布受自身条件(如植被组成、林龄、所处演替阶段)和生态因子(如大气、气候带、土壤条件等)的影响。未来应加强森林根系动态研究的标准方法研究;森林根系分布和分层结构的动态与功能研究;全球变化对根系生态效应研究;根系生态系统的生物多样研究;根系演替速度研究等。

The dynamic model of forest root system structure and development concludes various process,simulating manifold interactions,analyzing tree,soil and environment's influence on root form,it is an important tool of studying the soil-plant-atmosphere system.The dynamic models of upright root,level root,compound root and general root are summarized according to foreign study actuality of forest root system model.

林木根系结构和发展的动态模型,是综合根系各种发展过程,模拟多种动态交互作用,分析树种、土壤和环境条件对根系形态的影响,研究土壤-植物-大气系统的重要工具。根据近年来国外林木根系模型研究现状综述了垂直根型,水平根型,复合根型和具有一般性的根系动态模型。

 
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