Wpływ wybranych elementów agrotechniki i warunków meteorologicznych na zachwaszczenie pszenżyta ozimego

TL;DRAbstract

The aim of the studies was to examine the influence of such factors, as: manner of soil cultivation, level of nitrogen fertilization, usage of growth retardants and meteorological conditions on occurrence constancy and number of species weed-infesting winter triticale. Observations of weed communities at particular experimental objects were carried out according to the split-plot method at regular four-week intervals. The phytosociological method was used during the studies. Abundance of particular species as well as of the whole weed community was expressed by the cover coefficient. Occurrence frequency of species at the studied objects was presented using degrees of phytosociological constancy. The effect of particular agrotechnical factors and weather conditions on weeding was stated according to the conditions of plant communities in July. The results were statistically analyzed by the analysis of variance. Replacement of plough cultivation by farming using a cultivator resulted in

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