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wastewater sludges
Wastewater sludges are used in agriculture as soil amendment and fertilizer, with regard to their organic matter and nutrient content.
      
The Cd added to soil by commercial fertilizers may be as much as 2150 kg annually in Wisconsin, compared to a potential of 1700 kg if wastewater sludges from all municipal sewage treatment plants in the state were disposed of on land.
      
Axenic cultivation of biocontrol fungus Trichoderma viride was conducted on a synthetic medium and different wastewaters and wastewater sludges in shake flasks to search for a suitable raw material resulting in higher biocontrol activity.
      
Utilization of Wastewater Sludges from Production of Polyacrylonitrile Fibre as an Organomineral Composition for Creation of Lan
      
The content of heavy metals in wastewater sludges and the dynamics of the change in them in soils in green landscape plots over six months are found.
      
technology for use of wastewater sludges as organomineral soil additives can be used in other companies with similar wastewater compositions for forming a perennial green landscape.
      
 

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