CAJ | 학술논문

为探讨不同养分对草地早熟禾生长的作用机理,以氮、磷、生物菌肥和柠檬酸各2个水平,共8个处理进行了田间试验,测定了草地早熟禾体内可溶性活性物质的含量变化及生物量。结果表明,在氮、磷施用水平较低的情况下,配合施用一定量的柠檬酸和生物菌肥,能提高草地早熟禾地上生物量、过氧化氢酶活性、可溶性糖和可溶性蛋白含量,最高分别达到了0.655 kg/m2、5.33μmol/(min·g)FW、6.12%和0.756 mg/g,与所有高氮、磷水平处理的效果接近或相当；可溶性糖,可溶性蛋白含量和过氧化酶活性均随着施肥后时间的持续而不断升高,在进入25 d 后,含量趋于稳定,保持在一个相对平稳的含量范围。
위탐토불동양분대초지조숙화생장적작용궤리,이담、린、생물균비화저몽산각2개수평,공8개처리진행료전간시험,측정료초지조숙화체내가용성활성물질적함량변화급생물량。결과표명,재담、린시용수평교저적정황하,배합시용일정량적저몽산화생물균비,능제고초지조숙화지상생물량、과양화경매활성、가용성당화가용성단백함량,최고분별체도료0.655 kg/m2、5.33μmol/(min·g)FW、6.12%화0.756 mg/g,여소유고담、린수평처리적효과접근혹상당；가용성당,가용성단백함량화과양화매활성균수착시비후시간적지속이불단승고,재진입25 d 후,함량추우은정,보지재일개상대평은적함량범위。
Biological active substance plays an important role in plants.In order to explore the mechanism of different nutrients improves the growth of Kentucky bluegrass,the experiments using nitrogen,phosphorus,bio-fertilizer and citric acid with two application levels in eight treatments were carried out in field.The dynamic change of biological active substance and the aboveground biomass yield were measured.The results showed that combination of bio-fertilizer and citric acid with lower application level of common nitrogen and phosphorus could improve the Kentucky bluegrass biomass yield,CAT activities,soluble sugar and protein contents.The maximum vlues were 0.655 kg/m2 ,5.33 μmol/(min·g)FW,6.12%and 0.756 mg/g,respectively,which was close or same to the treatment with high nitrogen and phosphorus.The catalase activities,soluble sugar and pro-tein of Kentucky blue grass continuously increased within 25 days after fertilization.But from 25 to 35 days after fertilization,the contents of soluble sugar and protein tended to be smooth and stable while the catalase activities were increased continuously.