ACTUAL WEED INFESTATION OF MAIZE IN THE INTEGRATED AGRICULTURAL SYSTEM IN THE YEARS 1997-2006 PUBLISHED

Štefan Týr
The aims of this study were to investigate the influence of an integrated farming system on development of actual weed infestation in the canopies of maize. The actual weed infestation was evaluated from 1997 till 2006 in the Slovak Republic, by standard methods common used by EWRS a numerous method per square meter. The results of the weed survey on arable land conducted in 1997-2006 were applied to assess the distribution and occurrence of weed species with respect to their importance and harmfulness in maize fields situated in general production region (south Slovakia). In integrated system as a weed regulation techniques were used chemical treatments and cultural methods. According to the achieved results it is evident, that the farming system showed higher influence on development of actual weed infestation and weed species diversity. In integrated agricultural dominant weed species were (according to the level of infestation): Ambrosia artemisiifolia, Amaranthus retroflexus, Chenopodium spp., Datura stramonium, Persicaria spp., Convolvulus arvensis, Cirsium arvense, etc.
weed; actual weed infestation; integrated farming system
Presentation: oral

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