root mass ratio造句

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。
It's difficult to find root mass ratio in a sentence. 用root mass ratio造句挺难的