Abstract
The objective of the research was to compare the species composition and structures of ground beetle assemblages in tillage and no-tillage cultivation of cereals crop. We also tried to determine the life parameters of Carabidae, which illustrate the best an impact of using deep plowing on beneficial entomofauna. The observations were carried out in north-eastern Poland, near Olsztyn in 2011–2012. The fields of triticale and wheat cultivated in the traditional system as well as fields of triticale and barley cultivated in the no-tillage cultivation system were selected for the research. Based on the collected results it was concluded that plowing might have an impact on reducing the number of Carabidae species. Simplifying the growing system and using no-tillage cultivation increases the number of medium zoophages and hemizoophages on cultivated fields. Badania miały na celu porównanie składu gatunkowego i struktur zgrupowań biegaczowatych w zbożach uprawianych systemem orkowym i bezorkowym. Próbowano również określić parametry życiowe Carabidae, które najlepiej opisują oddziaływanie stosowania orki głębokiej na entomofaunę pożyteczną. Obserwacje prowadzono w Polsce północno-wschodniej, w okolicach Olsztyna, w latach 2011–2012. Do badań wybrano pola pszenżyta i pszenicy uprawiane w tradycyjnym systemie orkowym oraz pola pszenżyta i jęczmienia uprawiane w systemie bezorkowym. W wyniku przeprowadzonych badań stwierdzono, że stosowanie orki może mieć wpływ na zmniejszenie liczby gatunków Carabidae. Uproszczenia w postaci uprawy bezorkowej przyczyniają się do zwiększenia liczebności średnich zoofagów i hemizoofagów na polach uprawnych.
Highlights
The fields of triticale and wheat cultivated in the traditional system
well as fields of triticale and barley cultivated in the no-tillage cultivation system were selected for the research
on the collected results it was concluded that plowing might have an impact on reducing the number of
Summary
The objective of the research was to compare the species composition and structures of ground beetle assemblages in tillage and no-tillage cultivation of cereals crop. We tried to determine the life parameters of Carabidae, which illustrate the best an impact of using deep plowing on beneficial entomofauna. The fields of triticale and wheat cultivated in the traditional system as well as fields of triticale and barley cultivated in the no-tillage cultivation system were selected for the research. Based on the collected results it was concluded that plowing might have an impact on reducing the number of Carabidae species. Simplifying the growing system and using no-tillage cultivation increases the number of medium zoophages and hemizoophages on cultivated fields. Do badań wybrano pola pszenżyta i pszenicy uprawiane w tradycyjnym systemie orkowym oraz pola pszenżyta i jęczmienia uprawiane w systemie bezorkowym. W wyniku przeprowadzonych badań stwierdzono, że stosowanie orki może mieć wpływ na zmniejszenie liczby gatunków Carabidae. Uproszczenia w postaci uprawy bezorkowej przyczyniają się do zwiększenia liczebności średnich zoofagów i hemizoofagów na polach uprawnych
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