Impact of Conservation Tillage Technologies on the Biological Relevance of Weeds

Limited tillage provides a number of benefits, but a question remains how it affects weed community and biodiversity evolving from the weed community. Our field experiment was established in the cadastral area of Branišovice (South Moravian Region, Czech Republic). Three different tillage technologi...

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Published inLand (Basel) Vol. 12; no. 1; p. 121
Main Authors Winkler, Jan, Dvořák, Jiří, Hosa, Jiří, Martínez Barroso, Petra, Vaverková, Magdalena Daria
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.01.2023
Subjects
Agricultural land
Agricultural practices
Agriculture
Barley
Biodiversity
Conservation tillage
Crops
Experiments
Flowers & plants
Herbicides
Hypotheses
Loam soils
Seeds
Soil conservation
soil tillage
Soybeans
Tillage
Vegetation
weed vegetation
Weeds
Wheat
Winter
Winter wheat
Czech Republic
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Summary:Limited tillage provides a number of benefits, but a question remains how it affects weed community and biodiversity evolving from the weed community. Our field experiment was established in the cadastral area of Branišovice (South Moravian Region, Czech Republic). Three different tillage technologies were used in this field experiment: conventional tillage, minimum tillage, and no-tillage technology. In 2001–2004, infestation by weeds was evaluated in the stands of spring barley, winter wheat grown after a dicot pre-crop (rape, soybean), in the stands of wheat grown after wheat, and in stands of maize. The recorded weed species were divided according to the criteria of biological relevance. Based on the results of the four-year field experiment, it is possible to state that tillage technologies have only a limited influence on the intensity of weeding but substantially alter the species spectrum of weeds. Weed vegetation in the no-tillage variant exhibits higher values of biological relevance, which allows a higher occurrence of weed-dependent species of organisms. Weed vegetation in the minimum soil tillage variant has the lowest biological relevance values, which limits the occurrence of weed-dependent organisms. Alterations in weeding caused by different tillage technologies are part of the process of vegetation microevolution in the agricultural landscape.
ISSN:2073-445X
2073-445X
DOI:10.3390/land12010121