| Issue |
BIO Web Conf.
Volume 42, 2022
International Scientific and Practical Conference “Sustainable Development of Traditional and Organic Agriculture in the Concept of Green Economy” (SDGE 2021)
|
|
|---|---|---|
| Article Number | 03001 | |
| Number of page(s) | 6 | |
| Section | Bioengineering and Agricultural Machinery | |
| DOI | https://doi.org/10.1051/bioconf/20224203001 | |
| Published online | 13 January 2022 | |
Experience of using sewage sludge in soil for green building
1
Nizhny Novgorod State Agricultural Academy, Gagarina, 97, 603107 Nizhny Novgorod, Russian Federation
2
Saint-Petersburg State Agrarian University, Petersburgskoe shosse, 2, 196601 Pushkin, Saint-Petersburg, Russian Federation
Wastewater sludge from municipal wastewater treatment plants in Nizhny Novgorod and soils based on them, prepared with different ratios of sludge, sawdust and peat, have been investigated. Sewage sludge-based soils contain plant nutrients and are suitable for use as fertilizing materials in green building. Under the conditions of a three-year lysimetric experiment on cereal lawn grasses, a significant efficiency of organic soils was noted in comparison with traditional soils. The lawn maintenance regime revealed differences in the mixtures of fertilizing materials in terms of the effect on the productivity of the phytocenosis. Use of sewage sludge containing large amounts of heavy metals as one of the soil components undoubtedly leads to increase in the amount of these toxic elements in the soil as a whole.
© The Authors, published by EDP Sciences, 2022
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