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Type of publication: Straipsnis recenzuojamoje Lietuvos tarptautinės konferencijos medžiagoje / Article in peer-reviewed Lithuanian international conference proceedings (P1e)
Field of Science: Mechanikos inžinerija / Mechanical Engineering (T009)
Author(s): Lukošiūnas, Kęstutis
Title: Influence of working parts of loosing and seeding on seedbed in stubble soil
Other Title: New technological processes and investigation methods for agricultural engineering : proceedings of the international conference, 8-9 september 2005
Is part of: Proceedings of the international conference. , No. 10 (2005)
Extent: p. 89-95
Date: 2005
Abstract: The research was made in 2002-2004 in Institute of agricultural engineering LUA experimental field on stubble soil of light loam covered with chopped winter wheat straw. The soil was minimally loosened by narrow sweedps, disc harrow and vertical rotors. "Horch" CO6 stubble drill was used for seeding. Variants of minimum loosening were compared with seeding in non-loosened and ploughed soil. Under laboratory and field-laboratory conditions the impact of working parts of minimum loosening and seeding on soil fraghmentation quality and cover of the soil surface with straw was established. The reseearch has established that the most appropriate seedbed was achieved when minimum loosening by narrow sweep and disc working parts was used (mean weight diameter of clods was MWD=10-12.5 mm). Working parts of seeding break soil clods better in the surface soil level but not in seed environment.The drill with narrow sweeps decreased cover differences between loosening treatments. After seeding these differences both in minimally loosened stubble and in unloosened one ranged from 31.9 to 38.4% and were not significantly different between treatments. The least cover of the soil by straw (4.9% on average) was achieved after ploughing
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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