Fertilization effects of compost produced from maize, sewage sludge and biochar on soil water retention and chemical properties

Tomasz Głąb , Andrzej Żabiński , Urszula Sadowska , Krzysztof Gondek , Michał Kopeć , Monika Mierzwa-Hersztek , Sylwester Tabor , Jadwiga Stanek-Tarkowska


Composting is a technique recommended for sewage sludge stabilization. Recently, it has been recognized that sewage sludge co-composted with bulking material and biochar can avoid environmental risk and improve compost quality. The impact of composting process parameters, feedstock type and particle size on soil properties is not well understood. The aim of this study was to investigate the effects of different compost particle sizes and the feedstock types on the physical and chemical characteristics of a sandy soil. The following mixtures of feedstocks in the composting process were used in this study: i) maize straw, ii) maize straw with sewage sludge and iii) maize straw, sewage sludge and biochar. Biochar was produced from a willow (Salix viminalis L.). The plant material was pyrolyzed at a temperature of 350 °C for 2 h. Four compost size classes were used: 0–250 μm, 250–500 μm, 500–1000 μm, and 1000–2000 μm. Compost application improved the water retention characteristics of the soil depending on the compost particle size and feedstock type. The lowest value of the available water content was obtained for the soil with maize straw compost. When sewage sludge or biochar was added during the composting process, it resulted in an increase in the soil available water content. The available water content decreased when large compost particles were used. Both experimental factors (feedstock type and particle size) significantly affected the water repellency. It was also observed that with a decrease in the compost particle size, the water repellency rapidly increased. The results for the chemical compositions of compost and feedstocks suggest that small compost particles have a relatively higher content of sewage sludge.
Author Tomasz Głąb (FoPaPE / IoMEEaPP)
Tomasz Głąb,,
- Institute of Machinery Exploitation, Ergonomics and Production Processes
, Andrzej Żabiński (FoPaPE / IoMEEaPP)
Andrzej Żabiński,,
- Institute of Machinery Exploitation, Ergonomics and Production Processes
, Urszula Sadowska (FoPaPE / IoMEEaPP)
Urszula Sadowska,,
- Institute of Machinery Exploitation, Ergonomics and Production Processes
, Krzysztof Gondek (FoAaE / DoAaECh)
Krzysztof Gondek,,
- Department of Agricultural and Environmental Chemistry
, Michał Kopeć (FoAaE / DoAaECh)
Michał Kopeć,,
- Department of Agricultural and Environmental Chemistry
, Monika Mierzwa-Hersztek (FoAaE / DoAaECh)
Monika Mierzwa-Hersztek,,
- Department of Agricultural and Environmental Chemistry
, Sylwester Tabor (FoPaPE / IoAEaI)
Sylwester Tabor,,
- Institute of Agricultural Engineering and Informatics
, Jadwiga Stanek-Tarkowska - Uniwersytet Rzeszowski
Jadwiga Stanek-Tarkowska,,
Journal seriesSoil & Tillage Research, [Soil and Tillage Research], ISSN 0167-1987, e-ISSN 1879-3444, (N/A 140 pkt)
Issue year2020
Publication size in sheets0.5
Article number104493
Keywords in EnglishCompost, Particle size, Sewage sludge, Biochar, Soil quality
ASJC Classification1102 Agronomy and Crop Science; 1111 Soil Science; 1904 Earth-Surface Processes
URL https://www.sciencedirect.com/science/article/pii/S0167198719305793/pdfft?md5=927bc7d2cca765e68e358dfe94648888&pid=1-s2.0-S0167198719305793-main.pdf
Languageen angielski
Score (nominal)140
Score sourcejournalList
Publication indicators WoS Citations = 0; Scopus SNIP (Source Normalised Impact per Paper): 2017 = 1.946; WoS Impact Factor: 2018 = 4.675 (2) - 2018=4.662 (5)
Citation count*
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FinansowanieThe research wasfinanced by the Ministry of Science and HigherEducation of the Republic of Poland
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