Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/86323
Type of publication: Straipsnis Clarivate Analytics Web of Science Master Journal List / Article in Clarivate Analytics Web of Science Master Journal List (S2)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Bajorienė, Kristina;Jodaugienė, Darija;Pupalienė, Rita;Sinkevičienė, Aušra
Title: Effect of organic mulches on the content of organic carbon in the soil
Other Title: Suvirapsi taimiku tiheduse mõju taimejuurte biomassile ja mulla ensüümide aktiivsusele
Is part of: Estonian Journal of Ecology. Tallinn : Estonian Academy Publishers, Vol. 62, no. 2(2013)
Extent: p. 100-106
Date: 2013
Keywords: Mulching;Soil organic carbon
Abstract: Natural organic mulch eventually breaks down and adds organic material to the soil. The increase of the amount of soil organic carbon (SOC) is regarded as the main advantage of organic mulches. The aim of our investigation was to evaluate the effect of different organic mulches and different thicknesses of the mulch layer on the content of SOC. The field experiment was carried out in the Pomological Garden of Aleksandras Stulginskis University (54°53'N, 23°50'E) in a certified organic field. The soil was Calc(ar)i-Endohypogleyic Uivisol. The following treatments were applied: factor A - mulch: ( 1 ) without mulch, (2) straw, (3) peat, (4) sawdust, and (5) grass. Factor B - thickness of mulch layer: (1)5 cm and (2) 10 cm. The influence of organic mulches was investigated in 2004-2009 and their residual effect in 2010-2011. In the article the data of 2008-2011 are presented. A higher content of SOC was established in all mulched experimental plots compared with the unmulched plots. A significant influence of peat mulch was observed during the whole period reported. Sawdust mulch significantly increased the content of SOC (2008-2009) but its residual effect (2010-2011) was not significant. The influence of straw mulch on the content of SOC was significant only in 2009. The thicker (10 cm) mulch layer significantly (by 0.35-0.52 percentage points) incresed the content of SOC compared with the thinner (5 cm) layer. A very strong positive linear correlation (r = 0.994, P < 0.01) between the amount of organic C carried into the soil with mulch and the content of organic C in the soil was established
Internet: http://www.kirj.ee/public/Ecology/2013/issue_2/ecol-2013-2-100-106.pdf
http://www.kirj.ee/public/Ecology/2013/issue_2/ecol-2013-2-100-106.pdf
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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