2004•Advances in agroecologyRequires access

Contributions of Fungi to Soil Organic Matter in Agroecosystems

Kristine A. Nichols, Sara Wright

Abstract

Estimating Fungal Biomass 180 Saprophytic Fungi 180 Fungal Plant Pathogens 181 Biotrophic Mutualistic Fungi 182 Arbuscular Mycorrhizal Fungi 182 Glomalin, a Glycoprotein Produced by AM Fungi 184 Pools of Glomalin 184 Characterization of Glomalin 187 Glomalin, a Major Component of Soil Organic Matter 187 Quantities of Glomalin 187 Single-Species Pot Culture Experiments 189 Depth and Deposition Experiment 190 Glomalin and Aggregate Stability 191 Glomalin under Elevated CO2 194 Contribution of Soil Fungi to Organic Matter 194 Managing Soil Fungi to Increase Soil Organic Matter 195 References 196

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Key concepts: Agroecosystem, Agroforestry, Environmental science, Organic matter, Agronomy, Geography, Ecology, Agriculture