New study reveals consistent nitrate preference across temperate forest tree species in Northeast China

A new study published in the Journal of Plant Ecology has found that temperate forest tree species, regardless of their root symbiosis with either ectomycorrhizal (ECM) or arbuscular mycorrhizal (AM) fungi, consistently prefer absorbing nitrate (NO₃⁻) over ammonium (NH₄⁺). The findings challenge longstanding assumptions about nitrogen uptake strategies among different tree functional groups and offer new insights into how plant–fungus interactions shape nutrient cycling in forest ecosystems.

Jun 26, 2025 - 15:10
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A new study published in the Journal of Plant Ecology has found that temperate forest tree species, regardless of their root symbiosis with either ectomycorrhizal (ECM) or arbuscular mycorrhizal (AM) fungi, consistently prefer absorbing nitrate (NO₃⁻) over ammonium (NH₄⁺). The findings challenge longstanding assumptions about nitrogen uptake strategies among different tree functional groups and offer new insights into how plant–fungus interactions shape nutrient cycling in forest ecosystems.