Regenerative Energie
In Hungary, large areas of sandy soils are in the regions of Somogy, Kiskunság and Nyírség. In the region of Nyírség, there are more than 400.000 hectares of sandy soils. These soils are poor in mineral and organic colloids and have a low fertility as determined by low water retention and shortage of macro- and micronutrients.
To sustain the fertility of sandy soils, addition of matured organic matter is essential. The sewage sludge compost is suitable to improve the soil structure of colloid-poor sandy soils. In the Research Institute of Nyíregyháza, a small plot experiment was established to study the long-term effect of sewage sludge compost on the soil properties. The small-plots were treated with 0, 9, 18 and 27 t ha-1 compost. The aim of our experiment is to carry out physical measurements to determine the effects of compost treatment. To determine the bulk density, soil water retention (SWCC) and air-permeability of the soil, undisturbed soil sampl es were collected from the 5-10 and 20-25 cm soil layers in 6 replications. The complex sewage sludge compost seems to be an effective soil improving material of acidic sandy soils, because the bulk density was decreased while SWCC and air permeability were increased.
| Copyright: | © European Compost Network ECN e.V. |
| Quelle: | Orbit 2014 (Juni 2014) |
| Seiten: | 0 |
| Preis: | € 0,00 |
| Autor: | Attila Tomócsik V. Orosz Marianna Makádi |
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© Lexxion Verlagsgesellschaft mbH (6/2025)
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© Lexxion Verlagsgesellschaft mbH (6/2025)
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© Springer Vieweg | Springer Fachmedien Wiesbaden GmbH (5/2025)
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