The influence of strip cropping and weed control methods on weed diversity in dent maize (Zea mays L.), narrow-leafed lupin (Lupinus angustifolius L.) and oats (Avena sativa L.)
Głowacka, Aleksandra
The experiment was conducted in 2008–2010 at the Experimental Station of the Faculty of Agricultural Sciences in Zamość, University of Life Sciences in Lublin. The research design included two factors: I. Method of cultivation – sole cropping and strip cropping (the cultivation of three plants: maize, narrow-leafed lupin and oats, in neighboring strips); II. Weed control method – mechanical and chemical. The subject of this study was weed infestation in maize, narrow-leafed lupin and oats. The greatest diversity of weeds was found in the narrow-leafed lupine crop, while the lowest diversity in maize. The dominant weed species in maize, lupine and oats were Echinochloa crus-galli, Chenopodium album and Galinsoga parviflora which ranged from 34% to 99% of the total number of weeds. Strip cropping clearly reduced the number of weeds per unit area in the narrow-leafed lupin and oat crops as well as the aboveground dry weight of weeds in all plant species. Chemical weed control significantly decreased both the number and weight of weeds in comparison with the mechanical method.
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