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- Title
INFLUENCE OF DIFFERENT FARMING SYSTEMS ON THE WEED FLORA IN MAIZE IN HUNGARY.
- Authors
Dorner, Zita; Zalai, Mihály
- Abstract
The most challenging aspect in chemical-free crop production is to prevent weed infestation. This study was carried out on an ecological farm and also on the neighbouring field cultivated in the conventional way. The aim of the weed survey was to identify the weed species and to estimate their covering percentage at the different stages of the cultivated plants. In case of certain environmental conditions there is a difference between ecological and conventional maize fields regarding their weedcovering and the number of weed species. In case of both parameters this difference is significant in the inner and on the marginal areas as well. Pvalue was less than 0.001 in every case. The difference between the field margins of the two systems was less than in the inner areas. The most typical life-cycle category was SA (summer annuals) which had great importance during the whole experimental period. The importance of WA and CP was between 10-25%. EP and B species were mostly present on the margins only at a low rate. These may lead to the conclusion that in row crops, such as maize, the presence of SA species is also to be calculated upon in ecological farming systems. The present study established some differences between the weed flora of ecological and conventional farms. This result is contrary to some earlier examinations (Dorner, 2006, Lundkvist et al. 2008) made under different environmental conditions. These results can verify that the effects of the different farming systems are not similar under different environmental conditions.
- Subjects
HUNGARY; CROP management; FARM management; CORN; WEED control -- Environmental aspects; PLANT life cycles; CROP development; AGRICULTURE
- Publication
Herbologia, 2009, Vol 10, Issue 2, p29
- ISSN
1840-0809
- Publication type
Article