However the lack of information concerning the role of ciliated protozoa in improving and/or estimating the saprobic condition of the domestic wastewater being treated using Gravel Bed Hydroponics System is very regrettable.
However the lack of information concerning the role of ciliatedprotozoa in improving and/or estimating the saprobic conditionof the domestic wastewater being treated using GravelBed Hydroponics System is very regrettable.