Abstract
Patches of the association <i>Echinochloo</i>-<i>Setarietum typicum</i>, subvariant with <i>Veronica persica</i> (<i>Panico</i>-<i>Setarion</i> alliance), two associations from the <i>Polygono</i>-<i>Chenopodion</i> alliance: <i>Oxalido</i>-<i>Chenopodietum</i> and <i>Galinsogo</i>-<i>Setarietum</i>, as well as the community with <i>Veronica persica</i>, were noted on compact soils of the stubble fields in the area of the Podlaski Przełom Bugu mesoregion. The occurrence of <i>Echinochloo</i>-<i>Setarietum typicum</i> subvariant with <i>Veronica persica</i> and the community with <i>Veronica persica</i> was frequently observed in the studied area on fertile, loamy soils included in the wheat complex (good and imperfect), rye complex (very good and good) and corn-fodder strong complex. Phytocenoses of <i>Galinsogo</i>-<i>Setarietum</i> dominated by plants of the genus <i>Galinsoga</i>, especially by <i>Galinsoga parviflora</i>, were also frequently noted on fertile habitats near farm buildings. Patches of <i>Oxalido</i>-<i>Chenopodietum</i> were observed more seldom in the studied area. They were developing on fertile alluvial soils and black earths along the river.
Highlights
The occurrence of Echinochloo-Setarietum typicum subvariant with Veronica persica and the community with Veronica persica was frequently observed in the studied area on fertile, loamy soils included in the wheat complex, rye complex and corn-fodder strong complex
Phytocenoses of Galinsogo-Setarietum dominated by plants of the genus Galinsoga, especially by Galinsoga parviflora, were frequently noted on fertile habitats near farm buildings
Patches of OxalidoChenopodietum were observed more seldom in the studied area. They were developing on fertile alluvial soils and black earths along the river
Summary
Summary Patches of the association Echinochloo-Setarietum typicum, subvariant with Veronica persica (Panico-Setarion alliance), two associations from the PolygonoChenopodion alliance: Oxalido-Chenopodietum and Galinsogo-Setarietum, as well as the community with Veronica persica, were noted on compact soils of the stubble fields in the area of the Podlaski Prze3om Bugu mesoregion. Zbiorowiska roœlinne pól uprawnych Podlaskiego Prze3omu Bugu cd. Echinochloo-Setarietum typicum podwariant z Veronica persica tworzy3o 107 taksonów, 74 wariant typowy i 87 wariant z udzia3em gatunków higrofilnych. W tabeli 1 zamieszczono tak¿e syntetyczne zestawienie p3atów EchinochlooSetarietum typicum wariant typowy podwariant typowy, uzupe3nia ono pe3ne zró¿nicowanie zbiorowisk Echinochloo-Setarietum typicum wykszta3caj1cych siê na œcierniskach gleb zwiêz3ych Podlaskiego Prze3omu Bugu.
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