Characterization of soil amended with sewage sludge and growth of rye plant
There is an increasing issue in the agricultural application of sewage sludge obtained from wastewater treatment plants, due to the possibility of recycling valuable components; organic matter, and plant nutrients. The objectives of the pot experiment were to determine the effects of sewage sludge t...
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| Dokumentumtípus: | Könyv része |
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2019
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| Sorozat: | Proceedings of the International Symposium on Analytical and Environmental Problems
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| Kulcsszavak: | Környezetkémia, Talajkémia |
| Online Access: | http://acta.bibl.u-szeged.hu/64778 |
| Tartalmi kivonat: | There is an increasing issue in the agricultural application of sewage sludge obtained from wastewater treatment plants, due to the possibility of recycling valuable components; organic matter, and plant nutrients. The objectives of the pot experiment were to determine the effects of sewage sludge treatment on rye plant growth and the physicochemical soil properties of rye rhizosphere for 9 weeks. Kovárvány brown forest soil from Nyíregyháza was used and treated with various rates of sewage sludge (Control soil (0), 20, 40, 60, 100 (sludge) %). Different soil parameters were studied such as pH, soil moisture, fluorescein diacetate (FDA) activity, carbon dioxide release and rye plant growth. The results indicated that after the application of sewage sludge, the soil retained its moisture content for a longer period than the control. Also, soil pH was maintained to be favourable for plant growth. In addition to exhibiting healthy growth and development, the plants also produced the greatest dry matter mass on soils with the largest proportion of sewage sludge (60–100%). The enzymatic activities in the soil samples treated with sewage sludge were increased in soil with higher sludge doses. Finally, soil treatment with sewage sludge stimulated rye plant growth, improved the biochemical and microbial properties of the rye plant rhizosphere, promoted the retention of soil moisture and raised the soil pH, which also had a favourable effect on rye plant growth. |
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| Terjedelem/Fizikai jellemzők: | 65-69 |
| ISBN: | 978-963-306-702-4 |