1) root weight density
根重密度(RWD)
2) Root density
根系密度
1.
Distribution characteristics of effective root density in the planted Robinia pseudoacacia and Platycladus orientalis forest site;
刺槐和侧柏人工林有效根系密度分布规律研究
2.
In this paper,the spatial distribution of root density of the 20-year forests of Robinia pseudoacacia L.
通过分层挖掘法,对20龄刺槐、油松林根系密度的空间分布进行了研究。
3) root length density
根长密度
1.
Root-Water-Uptake Rate and Root Length Density Distributions of Winter Wheat at Seedling Stage under Subirrigation;
浸润灌溉条件下苗期冬小麦根系吸水速率与根长密度分布
2.
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。
3.
euphratica root length density presented a parabola curve.
结果表明:在水平方向上,胡杨根长密度分布呈抛物线型,吸水根根量主要集中在0~350cm,此范围的吸水根根量占0~500cm总量的91·88%,350cm以外的吸水根量只占总量的8·12%;在垂直方向上,胡杨根长密度分布呈典型的负指数型,吸水根根量主要集中在0~80cm土层内,占0~140cm土层内总量的96·8%。
5) Fine root density
细根密度
1.
Fine root density of C at interrow between C and T was lower by 8.
对27年生混交比例为2行杉木和1行观光木的混交林和杉木纯林群落细根分布的研究表明,杉木和观光木行间的杉木细根密度虽比杉木与杉木行间的低8。
6) root count density
根量密度
1.
The results are as follows: the loblolly pine root count density increases in the growing season and reaches its climax in January or February, the end of the growing season.
结果表明 ,火炬松新根的根量密度随时间呈增长趋势 ,在生长季末的 1、2月份达到最大。
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条