< p > <跨风格= "字体类型:Arial, Helvetica,无衬线”>,本研究旨在评价粉尘截留效率及粉尘沉降对生物化学参数的影响。在印度,hp, Sirmaur的国家公路(NH-7)旁生长的植物种类。植物是CO2的普遍库。选择的植物种类为刺梨榕(Ficus roxburghii)、菲律宾马莲(Mallotus philippensis)、木槿花(Shorea robusta)、fruticosa。观测到的积尘趋势依次为榕 (38.30 mg m-2) >< em > Shorea罗布斯塔< / em >(26.94毫克m <一口> 2 > < /晚餐),在Mallotus philippensis (22.31 mg m-2) > fruticosa (16.70 mg m-2)结果表明,随着距离国道的距离增加,叶积尘量逐渐减少。 Leaf dust accumulation was influenced by the seasons of the year with the maximum (30.70) in pre-monsoon and the minimum(21.42) in post-monsoon season.