Root Influence on Nitrogen Mineralization and Nitrification in Avena barbata Rhizosphere Soil

Abstract

Micro–N pool dilution was used to quantify rates of gross N mineralization, consumption, and nitrification in bulk soil and in soil within 2 mm of root sections of Avena barbata (slender wild oats), an annual grass common to California oak woodland-savannas. Rates of gross N mineralization in rhizosphere soil (9.2 mg N kgd) were about ten times higher than… (More)

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