
Agronomy Science, przyrodniczy lublin, czasopisma up, czasopisma uniwersytet przyrodniczy lublin
The paper deals with the composition of stubble-field plant communities in the Middle Vistula River Valley mesoregion. To analyse those phytocenoses, 159 phytosociological releves were taken. Two classes, with the following six associations: Digitarietum ischaemi, Echinochloo-Setrtietum, Galinsogo-Setarietum, Oxalido-Chenopodietum polyspermi, Lamio-Veronicetum politae, Centunculo-Anthocerethum punctati, as well as two alliances: Setaria pumila and Setaria pumila-Oxalis Fontana, were identified. The commu nity of Setaria pumila-Oxalis fontana was floristically the most diverse. Patches of all those phytocenoses grew on different types on soil, with a wide range of soil reaction. Communities of Digitarietum ischaemi were the least common. Patches of this association grew on light acidic soil, with massive participation of diagnostically important and acidophilic species. The rarest community of Centunculo-Anthocerethum punctati, belonging to the Isoëto-Nanojuncetea class, grew on the soil with periodically high water content.
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