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Type of publication: Straipsnis nerecenzuojamoje Lietuvos konferencijos medžiagoje / Article in non-peer-reviewed Lithuanian conference proceedings (P2c)
Field of Science: Agronomija / Agronomy (A001)
Author(s): Žalys, Justas
Contributor(s): Bogužas, Vaclovas
Title: Neariminio žemės dirbimo, šiaudų ir žaliosios trąšos įterpimo poveikis šlyties pasipriešinimui ir sliekams
Other Title: The effect of ploughless tillage, straw and green manure incorporation on shear strength and earthworm
Is part of: Jaunasis mokslininkas 2015 [elektroninis išteklius] : studentų mokslinės konferencijos pranešimų rinkinys, 2015 m. balandžio 23 d. / Aleksandro Stulginskio universitetas. Agronomijos fakultetas. Akademija, 2015
Extent: p. 32-35
Date: 2015
ISBN: 9986948681
Abstract: In order to increase soil organic matter and to fulfill new environmental requirements reduced tillage systems become more and more popular. Reduced soil tillage systems in many countries showing positive results, but still lucking data about combination effects of different soil tillage intensity, straw and green manure management. The aim of our investigation was to evaluate the effect of ploughless tillage, straw and green manure incorporation on shear strength and earthworm number and biomass. Our results shows, that straw incorporation increased shear strength from 11.1 to 11.6 % as compared to the soil without straw. Ploughless tillage systems, compared with deep plowing, increased shear strength from 46.6 to 71.7 %. Shallow plowing increased shear strength by 51.5 % in 10-20 cm depth arable layer. Straw incorporation significantly increased the number of earthworms in the arable layer. Although in drought conditions there were no observed tillage effects on earthworms, but shallow rotovation (RK), green manure incorporation (ŽTRK) and no-tillage (ND) increased the average earthworm weight 2-3 times to compare with deep plowing (GA)
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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