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Biofertilizers Based on Sewage Sludge as Catalysts for Soil Transformation Processes
https://doi.org/10.18412/1816-0395-2019-1-42-45
Abstract
The possibility of using sewage sludge (WWS) as an organic fertilizer has been studied. The Sludge is formed after the wastewater treatment of the meat industry production with actinomycetes Str. chromogenes s.g. 0832. This microorganism is adapted to specific protein contamination of wastewater. The sludge is characterized by a high content of organic matter (57.3-62.5%). Free amino acids make up 70% of the total protein. The share of essential amino acids in WWS accounts for 41.44%. Of the heavy metals, only Zn and Cu were detected in it. At the same time, Zn content is 7.9 times lower than permissible, Cu - 3.8 times. WWS is not toxic in doses applied to the soil. Marked a significant increase in the biomass of spring rapeseed on all experimental samples. The highest yield increase of 187.6% is observed at the dose of WWS 10t/ha. Evaluation of rapeseed seed products showed a high increase of seeds on soils with addition.
About the Authors
L.V. Bryndina
Voronezh State Forestry University after name G.F. Morozov
Russian Federation
Dr. Sci. (Agriculture), Associate Professor
Russian Federation
Dr. Sci. (Agriculture), Associate Professor
A.D. Platonov
Voronezh State Forestry University after name G.F. Morozov
Russian Federation
Dr. Sci. (Eng.), Associate Professor
Russian Federation
Dr. Sci. (Eng.), Associate Professor
O.V. Baklanova
Voronezh State Forestry University after name G.F. Morozov
Russian Federation
Post-graduate Student
Russian Federation
Post-graduate Student
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Review
For citations:
Bryndina L., Platonov A., Baklanova O. Biofertilizers Based on Sewage Sludge as Catalysts for Soil Transformation Processes. Ecology and Industry of Russia. 2019;23(1):42-45. (In Russ.) https://doi.org/10.18412/1816-0395-2019-1-42-45
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