▎ 摘　　要

NOVELTY - Use of carbon nanomaterials for controlling bacterial identification and analysis of lawn compost involves measuring the moisture content of the soil, mixing the weighed wet soil with the waste compost, stirring, loading into plastic pots, adding graphene, graphene oxide, carbon nanotubes, modified nano carbon black and dry soil, mixing evenly, processing, adding Festuca seeds, heat-preserving, adding water, controlling the moisture content of the soil, mixing, sieving, preserving, carrying out microbial separation and analyzing the amount of microbes. USE - Use of carbon nanomaterials for controlling bacterial identification and analysis of lawn compost (claimed). ADVANTAGE - The method enables use of carbon nanomaterials for controlling bacterial identification and analysis of lawn compost by molecular sequencing, and effectively reduces diversity index of the bacterial species. DETAILED DESCRIPTION - Use of carbon nanomaterials for controlling bacterial identification and analysis of lawn compost involves taking experimental soil from the soil surface of 0-20 cm, measuring the soil moisture, calculating the weight ratio of dry soil and wet soil, mixing 1500 g wet soil and 30 g waste compost, stirring, loading into 15 plastic pots having inner diameter of 15 cm and height of 20 cm, adding graphene microchip, graphene oxide, carbon nanotubes, modified nano carbon black and 1 wt.% dry soil, mixing evenly, processing, adding carbon nanomaterials as control, adding 5 g/pot Festuca seeds, heat-preserving at 19-27 degrees C to a relative humidity of 60-72%, adding water to the soil daily, controlling the moisture content of the soil to 70%, mixing the soil to the depth of 0-5 cm after 130 days, sieving using 60 mesh size sieve, refrigerating at -20 degrees C, preserving, separating microorganisms, counting and analyzing. The nano carbon black has particle size of 20-70 nm, specific surface area of 1200 m2/g and pH of 7.0. The nano carbon black is modified using potassium permanganate before performing experiment. The graphene microchip has size of 0.5-20 mu m, thickness of 5-25 nm, specific surface area of 40-60 m2/g, density of 2.25 g/cm3, conductivity of 8000-10000 S/m and carbon content of 99.5% or more. The graphene oxide has average thickness of 3.4-7 nm, sheet diameter of 10-50 mu m, specific surface area of 100-300 m2/g and purity of more than 90%. The carbon nanotubes have diameter of 20-40 nm, length of 10-30 mu m, carboxyl content of 1.43%, purity of more than 90%, ash content of less than 8 wt.%, specific surface area of more than 110 m2/g and conductivity of more than 102 s/cm.