Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/91993
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): Baršauskas, Dovydas
Contributor(s): Romaneckas, Kęstutis
Title: Supaprastinto žemės dirbimo įtaka kukurūzų agrocenozei
Other Title: Impact of reduced soil tillage on maize agrocenosis
Is part of: Jaunasis mokslininkas 2016 [elektroninis išteklius] : studentų mokslinės konferencijos pranešimų rinkinys, 2016 m. balandžio 14 d. / Aleksandro Stulginskio universitetas. Agronomijos fakultetas. Akademija, 2016
Extent: p. 10-12
Date: 2016
Abstract: The long-term stationary field experiment was carried out at the Experimental Station of the Aleksandras Stulginskis University (ASU) in 2012. Soil of field experiment was silty loam Luvisol (Calc(ar)i-Epihypogleyic Luvisol, LVg-p-w-cc(sc)). Climate of experimental site is subarctic, transitional maritime-continental. Average annual temperature is 6.2° C. The aim of the experiment was to establish the influence of reduced primary (in autumn) soil tillage on maize productivity. The plots of experiments were: 1. conventionally (23-25 cm) ploughed by mouldboard plough; 2. shallowly (12-15 cm) ploughed by mouldboard plough; 3. deeply (23-25 cm) tilled by chisel cultivator; 4. shallowly (12-15 cm) tilled by disc harrow; 5. no-till The most types of weed were found in the soil that was hoed shallowly (107,5 units/m-2), and the least types of weed were found in the soil that was hoed deeply (62,0 units./m-2). In the fields that were cultivated normally and shallowly – 78,8 and 85,0 or more than in the fields that were hoed deeply but less than in the fields that wee hoed shallowly. Perennial weed was found in the soil that was hoed shallowly and uncultivated. There was 13 times more weed of that kind, compared to the soil that was cultivated normally. Essential differences were found between repetitions. The mass of the short-lived weed was essentially the biggest in the soil that was hoed shallowly and uncultivated (144,7* g m-2 and 195,6** g m-2). The mass of weed in the fields that were cultivated normally was the least, only 41,2 g m-2. In the fields that were cultivated shallowly and hoed deeply, the mass of weed was almost twice bigger than in the case of an ordinary cultivating. It was observed, that, as the intensity of the main working of the soil decreased, the mass of perennial weed gradually increased, and it peaked in the fields that were hoed shallowly and uncultivated
Internet: http://af.asu.lt/wp-content/uploads/sites/3/2017/01/AF-straipsniu-rinkinys-2016.pdf
http://af.asu.lt/wp-content/uploads/sites/3/2017/01/AF-straipsniu-rinkinys-2016.pdf
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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