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- Under water stress root dry weight of winter wheat grown in the pots is positively linearly related to its root length density significantly. 水分胁迫下，盆栽冬小麦根干重和根长密度呈直线正相关。
- At harvest,root length density and treflan concentration at different soil layer were evaluated using soil auger method. 冬小麦收获后,采用土钻法在滴头附近沿垂直方向分层取样,测定各土层的根长密度和氟乐灵含量,并统计各小区的产量。
- Root length density varied with fertigation frequencies, and the ratio of root length for different soil layers to the total root length in the profile varied with fertigation strategies. 施肥频率对根密度的影响主要是引起各土层根密度大小的变化，运行方式则对各土层根长占整个剖面根长总和的比例产生影响。
- The results showed that the CRNF could increase the root dry weight, root length, and root length density, while the root radius became smaller during later growth stages of hybrid rice. 控释氮肥中，氮的逐渐释放，可减少具有强烈伤害的活性氧产物速率及其累积数量，提高活性氧清除酶的活性，在很大程度上延缓了杂交水稻生育后期根系的衰老和吸氮能力的衰退。
- An improved genetic algorithm was applied and examined to optimize the weights of a neural network model for estimating root length density(RLD) distributions of winter wheat under salinity stress. 应用改进遗传算法,优化人工神经网络模型的权值,对盐分存在下的冬小麦根系分布进行定量预报,将获得的根系分布参数与根系吸水模型以及水盐运移模型相结合,进行了水分、盐分分布的数值模拟。
- Based on the measured data from the winter wheat fields in Zhengzhou of Henan Province,the vertical distribution of root length density(RLD)and root mass density(RMD)were analyzed. 根据在郑州进行的冬小麦根系田间实测资料,研究了根长密度和根质量密度在砂壤土中的垂直分布。
- root length density distribution 根系分布
- Distribution patterns of Fraxinus mandshurica root biomass, specific root length and root length density 水曲柳根系生物量、比根长和根长密度的分布格局
- Estimating normalized root length density distribution of winter wheat using measured soil water content profiles 应用实测含水率剖面估算冬小麦相对根长密度分布
- SEASONAL DYNAMICS OF FINE ROOT BIOMASS, ROOT LENGTH DENSITY, SPECIFIC ROOT LENGTH AND SOIL RESOURCE AVAILABILITY IN A LARIX GMELINI PLANTATION 落叶松人工林细根动态与土壤资源有效性关系研究
- root length density (RLD) 根长密度
- root length density 根长密度
- The result indicates that great differences,which have significant influence on the aqua-plants,exist in the evapotranspire,the bio-mass,the root density and the root length. 研究的结果表明，不同水生植物的蒸散量、生物量、根密度和根长存在较大的差异，这些差异对水生植物的泌氧性能、碎石床人工湿地的水力负荷率、氮磷去除效果和有机污染物的降解有重要的影响。
- In comparison with ammonium as sole N source, the ammonium nitrate nutrition increased root length, root surface area, root density, and total P uptake. 与单一的铵营养相比，铵硝混合营养增加了根长和根系的表面积、根系的密度以及磷的总吸收量;
- Taking tall fescue lawn as experiment material,its growth characteristics including plant height,density,root length,leaf area,chlorophyll content and the photosynthesis speed were measured in spring. 以高羊茅草坪为试验材料,春季对其修剪前后植株株高、密度、根长、叶面积、叶绿素含量、光合速率、色泽等主要生长指标进行了测定。
- Root length increased and root number decreased when the 6-BA and the KT were not in the medium. L-16-BA有利于提高生根率,增加假茎粗,降低假茎高与苗高,不加6-BA、KT有利于增加根长,但不利于增加根数;
- At early days,Cd2+ inhibited plant root length,and inhibiting to root is larger than to seeding. 在处理初期;镉对根长的影响就表现为抑制效应;并且Cd2+对幼苗根长的影响比苗长的影响显著得多.
- There is only one pairs of epistatic QTLs for root length, root surface area and root tips, respectively. 其中根体积和平均根直径各检测到4对和5对上位性数量基因座,而根长、根表面积和根尖数量都分别只检测到一对上位性基因位点。
- The indexes of root length, root diameter, stem height, stem diameter, leaves quant... 说明:一定浓度的污水可以促进白骨壤的生长和开花结果。
- Results: There were differences between volume density (Vv), surface density (Sv) and length density (Lv) of blood vessel of grey and white matter inside spinal cord.Conclusion: Volume... 结果:在脊髓内部灰、白质的毛细血管体密度,表面积密度、长度密度存在着差异。
