METHOD FOR DETERMINING allelopathic activity of the soil

摘要

method u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 u0430u043bu043bu0435u043bu043eu043fu0430u0442u0438u0447u0435u0441u043au043eu0439 activity of soil u0437u0430u043au043bu044eu0447u0430u044eu0449u0438u0439u0441u00a0 using u0431u0438u043eu0442u0435u0441u0442u0430, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, as u0431u0438u043eu0442u0435u0441u0442u0430 use u043cu0438u043au0440u043eu0441u043au043eu043fu0438u0447u0435 engaging u0445u043bu043eu0440u0435u043bu043bu0443 algae with cell volume of 20 ml u0440u0430u0441u043fu0440u0435u0434u0435u043bu00a0u044eu0442 u0445u043bu043eu0440u0435u043bu043bu044b slurry on a filter surface soil records in the petri dish and pefc e 7 days exposure filters are, are,u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 extraction of chlorophyll u044du0442u0438u043bu043eu0432u044bu043c alcohol and filtering, u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 optical density of the extract compared with the control, and on this basis, oda u0435u0434u0435u043bu00a0u044eu0442 u0430u043bu043bu0435u043bu043eu043fu0430u0442u0438u0447u0435u0441u043au0443u044e activity of soil.