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Effectiveness of weed control and the yield of winter triticale depending on the tending method and nitrogen fertilization

Author(s): Brzozowska I. | Brzozowski J.

Journal: Acta Scientiarum Polonorum Agricultura
ISSN 1644-0625

Volume: 10;
Issue: 4;
Start page: 25;
Date: 2011;
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Keywords: grain yield | harrowing | herbicide | weeds | winter triticale

Field experiment with the growth of winter triticale (cultivar Grenado) was conducted in years 2007-2009 at the Didactic-Experimental Center in Tomaszkowo which is part of the University of Warmia and Mazury in Olsztyn. The study was carried out on typical medium brown soil, fertility class IVb. Weed control and yields were studied. Tending method was the first experimental factor and it covered: no tending, harrowing, and protection with Mustang 306 SE herbicide. The level of fertilization with nitrogen at 0, 40, 80, 120, and 160 kg N•ha-1 was the second factor. The three-year-long experimental period was characterized by high diversity of weather conditions. During all the research years, triticale chemically protected against weeds with herbicide gave significantly higher yields – on mean 5.73 t∙ha-1, compared with mechanical tending (5.11 t∙ha-1) and no tending (4.81 t∙ha-1). Nitrogen fertilization up to 120 kg N∙ha-1 increased triticale yield significantly.

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