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Phytotoxicity of Materials after Sorption of Humic Substances from Raw Reject Water

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

The research aimed at the characterization of the value of two chosen adsorbents – opoka (OP) and autoclaved aerated concrete (AAC) before and after adsorption of humic substances (HSs) from raw reject water (RWR) as growth plant promoters. Four plants, including monocotyledonous Sorghum saccharatum (SS) and dicotyledons: Lepidium sativum (LS), Sinapis alba (SA), and Raphanus sativus (RS) were used to evaluate the phytotoxicity of adsorbents after the adsorption process.The project is aimed to develop inexpensive and environmentally friendly soil conditioners and plant growth promoters. Preparations after HS sorption (AAC_PS and OP_PS) inhibited the germination of mustard and stimulated the development of radish and sorghum. In the case of sorghum, higher concentrations resulted in high variability (high standard deviation value). This variability may result from the properties of the seed coat, which also serves as a filtering membrane. Differences in plant development also result from their environmental preferences. The observed phytotoxic effect on mustard and positive impact on radish and sorghum show that tested growth promoters are selective in their activity and can’t be applied in the case of each plant.

Original languageEnglish
Title of host publicationInternational Conference on Wider-Uptake of Water Resource Recovery from Wastewater Treatment, ICWRR 2024
EditorsGiorgio Mannina, Alida Cosenza, Antonio Mineo
PublisherSpringer Science and Business Media Deutschland GmbH
Pages491-496
Number of pages6
ISBN (Print)9783031633522
DOIs
Publication statusPublished - 2024
EventInternational Conference on Wider-Uptake of Water Resource Recovery from Wastewater Treatment, ICWRR 2024 - Palermo, Italy
Duration: 18 Jun 2024 → 21 Jun 2024

Publication series

NameLecture Notes in Civil Engineering
Volume524 LNCE
ISSN (Print)2366-2557
ISSN (Electronic)2366-2565

Conference

ConferenceInternational Conference on Wider-Uptake of Water Resource Recovery from Wastewater Treatment, ICWRR 2024
Country/TerritoryItaly
CityPalermo
Period18/06/24 → 21/06/24

Keywords

  • opoka
  • plant promoting
  • waste aerated concrete

ASJC Scopus subject areas

  • Civil and Structural Engineering

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