root mass meaning in Chinese

根群

Research on grass - root mass sport administration and its operating mechanism in economy - developed areas
我国经济发达地区基层群众体育管理体制及其运行机制的研究
The ratio of the root mass of two year old a . sylvestris was more than one year old , and drought than saturation
二年龄峨参植株分配于根的生物量比例大于一年龄，干旱条件大于湿润条件。
2 . all the corresponding parameters of a . sylvestris were similar with c . smyrnioides in procreate period in april . but the parameters of root length , diameter of root , volume of root , leaf biomass , root biomass , total biomass , root mass ratio ( rmr ) and sla had the maximal value in moderate treatment in vegetative period in january
峨参的相应生长参数在4月生殖生长期与明党参随土壤水分的变化趋势相似；但在1月份的营养生长期，根长、根粗、根体积、叶生物量、根生物量、总生物量、 rmr和sla均以中度水分条件最大。