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根系活跃
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  root active
     The correlations between them and NUE are either significant or extremely significant except root active uptake area, which has significant correlation to NPE.
     除根系活跃吸收面积外,它们与吸收效率的相关性都达到了显著或极显著的水平,而根系活跃吸收面积与生理利用效率的相关性达到了显著水平。
短句来源
     So root dry weight, root volume, root active uptake area, root activity and GS activity can be considered as indices for selecting and breeding high N use efficiency tea clone.
     可以将根系干重、根系体积、根系活跃吸收面积、根系活力和叶片GS活性等作为选育高氮素利用效率茶树品种的指标。
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     Application of P nutrition could increase and raise root volume, root dry weight, root length, root activity and root active absorb area under water stress.
     施磷可以提高和增大根体积、根干重、根长度、根系活跃吸收面积和根系活力;
短句来源
     N accumulation was closely correlated to number of adventitious roots per plant,root dry weight per plant,total length of adventitious roots per plant,total root absorption area per plant,root active absorption area per plant and total α-NA oxidizing amount of roots per plant,other than the traits for single adventitious root or root activity per unit dry weight.
     (3)成熟期氮素累积量与单株不定根数、单株根干重、单株不定根总长、单株根系总吸收面积、单株根系活跃吸收面积、单株根系-αNA氧化量等全株根系性状关系密切,与单条不定根长、单条不定根粗、单条不定根重等单条不定根性状和单位干重根系总吸收面积、单位干重根系活跃吸收面积等单位干重根系活性指标关系不密切;
短句来源
     The results showed that either nutrition pot or tray heeling-in was able to retard the elongation of taproot,promote the development of side roots,enlarge stem circumference and the volume of root system,significantly increased the chlorophyll content,root vigor and root active(absorbing) area.
     结果表明:营养圈假植和托盘假植均可抑制主根伸长,促进侧根发育,增大茎围,烟苗叶绿素含量、根系活力和根系活跃吸收面积极显著提高,根系体积增大;
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  “根系活跃”译为未确定词的双语例句
     and the active absorption surface of root system increased 47.7—67.5%.
     根系活跃吸收面增大47.7—65.5%。
短句来源
     Except that the change of active area of roots is not distinct, main root length, root volume and fresh/dry weight are all decreased obviously compared with CK, whose range of change is 14.1%~35.6% (T1) and 203%~426% (T2).
     地下部除根系活跃吸收面积降幅不明显外,主根长、根体积、根鲜(干)重均低于对照14.1%~35.6%(T1),20.3%~42.6%(T2)。
短句来源
     thelength of root per unit and per plant were great The root activity per dry-weightand per plant were high and the activity absorb area of root per plant was big.
     粳型高产水稻品种根系的主要特征为每株不定根数多、每株根干重大、每株不定根长度和最长不定根长度长、单位干重根系活性和单株根系活性高、单株根系吸收表面积和单株根系活跃吸收表面积大。
短句来源
     The rice varieties with strong root system, large active absorption root surface and total root surface area had strong tolerance to copper poison.
     根系发达、根系活跃吸收表面积及总吸收表面积大的品种,有较强的耐铜毒性。
短句来源
     mosseae was 1.64 times of the controls.
     mosseae的苗木根系活跃吸收面积比是对照处理的1.64倍。
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     Defoliation and root rottingbecome progressively serious as the disease advances.
     根系腐烂。
短句来源
     Plant root exudates.
     根系分泌物
短句来源
     and the active absorption surface of root system increased 47.7—67.5%.
     根系活跃吸收面增大47.7—65.5%。
短句来源
     And root active uptake area declined under every treatment of water-stress.
     根系活跃吸收面积在不同的处理条件下均呈下降趋势;
短句来源
     The Golgi complex was active.
     高尔基复合体活跃
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  root active
The purpose of the study is to simulate profiles of soil water content and temperature at root active zone (i.e., 0-50?cm), taking the root water uptake, soil evaporation, and canopy transpiration into account.
      
Among the vegetative tissue active promoters, the ratio of leaf active versus root active is about 1.6.
      


Covering the ground with plastic film of Brassica pekinensis Rupr. accelerated the growth of root systems, increased root activity of chinese cabbage. At 92 days after seed sowing, The number of roots increased 22.6—24.2%; The diameter of roots increased 5.4—5.7%; root weight increased 15.85—18.89%; amount of bleeding increased 13.46—38.95%; and the active absorption surface of root system increased 47.7—67.5%. as Compared with control. Ground cover with film also promoted the growth of aerial parts, increased...

Covering the ground with plastic film of Brassica pekinensis Rupr. accelerated the growth of root systems, increased root activity of chinese cabbage. At 92 days after seed sowing, The number of roots increased 22.6—24.2%; The diameter of roots increased 5.4—5.7%; root weight increased 15.85—18.89%; amount of bleeding increased 13.46—38.95%; and the active absorption surface of root system increased 47.7—67.5%. as Compared with control. Ground cover with film also promoted the growth of aerial parts, increased the leef surface and photosynthetic intensity. At 45 days after seed sowing, in comparison with control, weight of whole plant increased 100%; leaf surface increased 25.99—59.35%, as compared with control. During 42—72 days after seed sowing, the net photosynthetic rate increased 9.5—44.9%. It is considered that the above advantageous influences of film cover caused the yield increased 21.72—25.82%(average increment of yield per hectare is 18.75 tons). the quality of the cabbage was also higher.

大白菜地膜覆盖栽培,能够使根系生长加速、活力增强。在播种后92天和对照相比,根系增多22.6—24.2%;根茎直径增加5.4—5.7%;根重增高15.85—18.89%;伤流量增加13.46—38.95%;根系活跃吸收面增大47.7—65.5%。地膜覆盖对大白菜地上部的生长、叶面积增大及光合强度亦有较大的促进。播后45天的大白菜全株重量比对照增加100%叶面积增大25.99—59.35%;播后38—68天之间净光合率增高9.5—44.9%。由于覆盖大白菜具有上述良好作用,最后引起产量提高21.72—25.82%(每公顷平均增产18.75吨),同时也提高了大白菜的品质及等级。

This paper deals with the morphological and anatomical structure of soybean varieties which have different drought resistance in the field condition.The main results were as follows:As compared with drought sensitive varieties,the drought resistance varieties of soybean were characterized as that,their seeds germinated fast and the seedlings sent out more seconday-roots; their roots grew more quickly and the root system well developed which main root penetrated deeply in soil.As much more root quantity distributed...

This paper deals with the morphological and anatomical structure of soybean varieties which have different drought resistance in the field condition.The main results were as follows:As compared with drought sensitive varieties,the drought resistance varieties of soybean were characterized as that,their seeds germinated fast and the seedlings sent out more seconday-roots; their roots grew more quickly and the root system well developed which main root penetrated deeply in soil.As much more root quantity distributed in deep soil,the root systems were belonged to "deep root type",The root system had.higher dry matter content and larger active absorbing surfance.The conducting tissues of foot system ware well developed because more vessels in it.

1985—1986年,我们分别观察研究了夏播和春播大豆不同抗旱品种的根系形态及解剖组织结构,结果表明,在北京地区,大豆抗旱品种根系的主要性状是:幼苗发根力强,根的生长速度快;主根扎得深,根系发达,根的干物重大,深层根量多,属于“深根型”;根系活跃吸收表面积较大;根的输导组织较发达.

The results of experiments in 1987~1989 showed that moderate water stress inhibited growth and development of maize varieties at different stages. But variety Yuyu 3 posessed stronger ability to resist drought. Its leaf area, dry matter, the ratio of shoot to root and active absorption area of root decreased less under drought condition. Drought at seedling stage enhanced root growth of varieties, and increased adaptation ability. The ability to resist drought dropped down after shoot elongation, especially...

The results of experiments in 1987~1989 showed that moderate water stress inhibited growth and development of maize varieties at different stages. But variety Yuyu 3 posessed stronger ability to resist drought. Its leaf area, dry matter, the ratio of shoot to root and active absorption area of root decreased less under drought condition. Drought at seedling stage enhanced root growth of varieties, and increased adaptation ability. The ability to resist drought dropped down after shoot elongation, especially during the stage of sexual organ formation when drought caused serious injry and significant decrease of yield. Drought resistance of a variety was mainly expressed by the ability to resist drought from shoot elengating to flowering.

1987~1989年试验结果表明,中度水分胁迫对玉米不同品种各生育时期生长发育均有抑制作用,但抗旱性较强的豫玉3号等品种,在干旱条件下可通过叶面积、干物重、根量和根系活跃吸收表面积减少幅度小,促进雌雄穗分化和发育顺利进行,因此生长发育和产量形成受干旱影响较轻。所有品种苗期适度干旱可促进根系生长,且表现有较强的适应干旱的能力,但拔节后抗旱力减弱,尤其在性器官形成期受干旱损伤最重,减产最大。一个品种的抗旱性的表现主要取决于拔节以后,孕穗期—开花期对干旱抵抗能力和产量的高低。

 
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