摘要
为了克服传统草坪生产周期长,草坪生产造成的土壤破坏问题,以及草坪成坪技术问题等,采用不同配比的混合基质生产草地早熟禾(Poa pratensis L.)草坪。以草地早熟禾午夜(Midnight)为材料,用泥炭、菌渣、沙子、蛭石、炉渣、大田土按相应的基质配比设6个处理,每个处理4个重复,比较不同基质配比对草坪成坪质量的影响。结果表明,在出苗率、地下生物量、根冠比、叶绿素含量、密度方面,在其余条件相同时,均为含蛭石处理的生长效果优于含炉渣的处理;在生长速度、高度、盖度、质地、生物量、根冠比、叶绿素含量、根长、茎长方面,在基质配比中均含沙子与蛭石时,含菌渣处理的生长效果优于含泥炭与大田土的处理。通过筛选与比较,以菌渣∶沙子∶蛭石体积比为1∶1∶1的处理在盖度、密度、生物量、叶绿素含量、质地等方面综合表现最优,成坪质量最好。
To overcome the long period of traditional turf production, the problem of soil destruction caused by turf production, and the technical problems of turf formation, the mixed substrate of different ratios was used to produce the grass of Poa pratensis L.. Midnight was used as material, peat, edible fungus residue, sand, vermiculite, furnace slag and field soil were used to set 6 different treatments according to the corresponding matrix proportion, 4 replicates for each treatment, and the effects of different matrix proportion on the quality of turf were compared. The results showed that in the aspects of emergence rate, underground biomass, root-shoot ratio,chlorophyll and density, when all other conditions were the same, the effect of vermiculite-containing treatment was better than that of slag-containing treatment. In the aspects of growth rate, height, coverage, texture, biomass, root-shoot ratio, chlorophyll, root length, stem length, when both the sand and vermiculite were contained in the substrate propositions, the effect of the treatment with the edible fungus residue was better than that of the treatment with peat and field soil. Through screening and comparison, the best quality of turf is treatment of edible fungus residue∶sand∶vermiculite volume ratio 1∶1∶1, it's comprehensive performance is the best in terms of coverage, density, biomass, chlorophyll content, texture, etc..
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