The aim of the undertaken examinations was to determine the effectiveness of phytoremediation as an environment-friendly method of limiting emission of carbon dioxide, ammonia and level of dusting in the air removed from a henhouse. The ventilation system entered air from the henhouse into the experimental greenhouse planted with Canna and Miscanthus plants. Mea-surements (at the entry and exit of the greenhouse) conducted in September, October and November demonstrated an average reduction in the carbon dioxide level about 10% (about 30% a day), of ammonia level nearly 40% and average reduction of dusting level about 14.2%. Dust sedimentation process was disrupted by natural convection of the air heated by sun rays entering the greenhouse. A very positive influence of air pollutants was observed in respect of the experimental plants development, as compared to the control group cultivated in standard greenhouse conditions.
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