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Type of publication: research article
Type of publication (PDB): Straipsnis konferencijos medžiagoje kitose duomenų bazėse / Article in conference proceedings in other databases (P1c)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Jodaugienė, Darija;Marcinkevičienė, Aušra;Pupalienė, Rita;Sinkevičienė, Aušra;Bajorienė, Kristina
Title: Changes of weed ecological groups under different organic mulches
Other Title: Änderungen innerhalb ökologischer Gruppen von Unkräutern unter verschiedenem organischen Mulch
Is part of: Julius-Kühn-Archiv. Quedlinburg : Julius Kühn-Institut, 2014, vol. 443: Tagungsband 26. Deutsche Arbeitsbesprechung über Fragen der Unkrautbiologie und-Bekämpfung, 11.-13. März 2014 in Braunschweig
Extent: p. 244-251
Date: 2014
Keywords: Ecological group;Organic mulch;Thickness of mulch layer;Weed
Abstract: The aim of the investigation was to evaluate the influence of different organic mulches and different thickness of mulch layer on weed ecological groups. The field experiment was carried out in the Pomological Garden of the Aleksandras Stulginskis University (54º53'N, 23º50'E). The soil type was Calc(ar)i-Endohypogleyic Luvisol (LVg-n-w-cc). Treatments of the experiment: factor A – mulching: 1) without mulch, 2) straw, 3) peat, 4) sawdust, 5) grass; factor B – thickness of the mulch layer: 1) 5 cm, 2) 10 cm. All investigated organic mulches decreased weed density by 2.7–10.3 times compared with non-mulched soil. The mulch layer of 10 cm thickness decreased the weed density better by 1.3–2.9 times compared with the 5- cm mulch layer. The highest amount of weeds belonged to species indifferent to soil pH, rich in nitrogen, moderately moist and moist soil. Organic mulches, not infected with weed seeds, decreased density of the mentioned weed ecological groups compared with no-mulching. On that score mulching with 10 cm thickness mulch layer was more effective than that with 5 cm thickness mulch layer. Qualitative distribution of weeds into ecological groups influenced by mulch and thickness of mulch layer was even, but the quantitative distribution was uneven
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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