Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Zygmunt Owsiak"'
Publikováno v:
Inżynieria Ekologiczna, Vol 38, Pp 7-16 (2014)
The research was carried out in the years 2008–2010 in the fields of the Experimental Station IUNG at Jelcz-Laskowice. Two-factorial experiments were laid out on the grey-brown podzolic soil formed out of loamy sand silt by the method of randomized
Externí odkaz:
https://doaj.org/article/9bef4a60010d47aabe2aa1c889765d1d
Publikováno v:
Agricultural Engineering. 22:39-48
The objective of the paper was to determine the impact of the shearing speed and cultivator tines flexibility on the vertical forces value. The study was carried out in field conditions in sandy clay soil and the average moisture of 11.2%. The vertic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2051f9f59d06f850b2b9b035ab7199b
https://doi.org/10.1515/agriceng-2018-0014
https://doi.org/10.1515/agriceng-2018-0014
Publikováno v:
Agricultural Engineering. 22:69-78
The paper presents the outcomes of the research on the impact of shearing depth and flexibility of cultivator tines with cultivator points on the value of vertical forces acting thereon. The object of the research consisted in “S” tines with the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::443736ac241a4ffbea11ac87263c8a52
https://doi.org/10.1515/agriceng-2018-0017
https://doi.org/10.1515/agriceng-2018-0017
Publikováno v:
Agricultural Engineering. 20:127-136
The paper presents research results on the effect of cutting depth and speed on the resultant force tilt angle and location of its application point on a flexible tine ended with a cultivator point. The studies were carried out in field conditions in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2de4c54f65e7064401ecdd6f53f116ff
https://doi.org/10.1515/agriceng-2016-0013
https://doi.org/10.1515/agriceng-2016-0013
Publikováno v:
Agricultural Engineering. 20:137-145
The research concern selected traction properties of Massey Ferguson 7475 wheeled tractor, which were carried out on various deformable surfaces i.e. soil: after ploughing, sodded and with rye fore crop. The impact of driving speed on tractive power
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::759bdb7ad4e9237938566b91f197f0dd
https://doi.org/10.1515/agriceng-2016-0014
https://doi.org/10.1515/agriceng-2016-0014
Publikováno v:
Progress in Plant Protection. 54
Summary The aim of this work was the evaluation of winter wheat secondary weed infestation occurring in spring depending on a tillage system and cultivar. The following research parameters were analyzed: factor I – soil tillage system: a) ploughing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f1f9b43e318348239a0254f87a98787
https://doi.org/10.14199/ppp-2014-029
https://doi.org/10.14199/ppp-2014-029
Autor:
Zygmunt Owsiak
Publikováno v:
Soil and Tillage Research. 50:333-340
Correct evaluation and forecasting of durability of soil cutting parts are the decisive factors for proper operation of agricultural machinery. During operation of cultivators, over two-fold difference in wear of cultivator points is observed, which
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1c641f80a6f3a60a8be9742ac54eb8d
https://doi.org/10.1016/s0167-1987(99)00019-7
https://doi.org/10.1016/s0167-1987(99)00019-7
Autor:
Zygmunt Owsiak
Publikováno v:
Soil and Tillage Research. 43:295-308
Results of wear investigations on steel samples in the laboratory and on ridger shares in field conditions are presented. Wear was determined by measurements of the change in length and thickness of shares, and from the weight of samples. Relative re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46abe150df6538150827e88d322d339a
https://doi.org/10.1016/s0167-1987(97)00020-2
https://doi.org/10.1016/s0167-1987(97)00020-2