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Solid Earth An interactive open-access journal of the European Geosciences Union

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doi:10.5194/sed-7-2037-2015
© Author(s) 2015. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
03 Aug 2015
Review status
This discussion paper has been under review for the journal Solid Earth (SE). The revised manuscript was not accepted.
Improvements in aggregate stability of recently deposited sediments supplemented with tea waste and farmyard manure
B. Turgut and B. Köse Artvin Çoruh University, Faculty of Forestry, Department of Soil and Ecology, Artvin, Türkiye
Abstract. Organic matter supplement is well-known to influence soil aggregate stability (AS), but the corresponding change in recently deposited fine sediment is not documented well. In this study, improvements in aggregate stability of recently deposited sediment supplemented with the farmyard manure (FYM) and tea waste (TW) during 18-week incubation under controlled conditions. The FYM and TW were applied to recently deposited sediment at different doses (0, 2.5, 5, 7.5, 10, 12.5, and 15 % on weight base). The AS was determined at different times after adding organic matter (2nd, 4th, 6th, 8th, 10th, 14th, and 18th weeks) using wet sieving methods. The results showed that aggregate stability of deposited sediment treated with TW was statistically significantly higher than these of samples treated with FYM. Aggregate stability increased with increasing doses of both FYM and TW. In the FYM applied samples, AS reached the highest value at the end of second week, and declined within the following incubation period. However, in the samples treated with TW, AS reached the highest value at the end of eighth week. The results of this study were clearly indicated that tea waste and farmyard manure applications noticeably increased aggregate stability of recently deposited sediment, therefore it is suggested that TW and FYM could be used for structural stabilization of sediments.

Citation: Turgut, B. and Köse, B.: Improvements in aggregate stability of recently deposited sediments supplemented with tea waste and farmyard manure, Solid Earth Discuss., 7, 2037-2053, doi:10.5194/sed-7-2037-2015, 2015.
B. Turgut and B. Köse
B. Turgut and B. Köse

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