Effect of biochar on arbuscular mycorrhizal colonisation, growth, P nutrition and leaf gas exchange of wheat and clover influenced by different water regimes

Zakaria Solaiman, Mehdi Sarcheshmehpour, Lynette Abbott, Paul Blackwell

Research output: Chapter in Book/Conference paperConference paper

Abstract

Biochar (biomass-derived carbon) can influence arbuscular mycorrhizal colonisation, plant growth, P nutrition and water relations but research is not conclusive. Therefore, a glasshouse experiment was conducted using wheat and clover with three water regimes, two biochar rates (0, 6 t/ha) with a series of harvests. Mycorrhizal colonisation was altered by water regimes. Shoot and root dry weight increased in well-watered compared to water-stressed conditions. Root length and colonised root length increased in the biochar treatment for wheat, especially in the well-watered treatment. Leaf gas exchange was higher in the presence of biochar indicating increased water availability to plants growing in biochar treated soil.
Original languageEnglish
Title of host publication19th World Congress of Soil Science, Soil Solutions for a Changing World
EditorsRobert Gilkes, Nattaporn Prakongken
Place of PublicationBrisbane, Australia
PublisherInternational Society of Soil Science
Pages35-37
Volume2.2.1
Publication statusPublished - 2010

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