Tracing in situ amino acid uptake in plants and microbes with¹⁵N¹³C labelled compounds

Agriculture & Biology

• acid soils 44%
• amino acids 84%
• ammonium 38%
• Calluna vulgaris 19%
• carbon 8%
• chloroform 13%
• decarboxylation 16%
• Deschampsia flexuosa 21%
• dissolved organic nitrogen 21%
• ecosystems 30%
• fine roots 15%
• free amino acids 26%
• fumigation 15%
• graminoids 17%
• heathlands 17%
• microorganisms 98%
• mineralization 13%
• mycorrhizae 14%
• nitrogen 15%
• nutrients 8%
• root exudates 16%
• seasonal variation 11%
• shoots 25%
• shrubs 11%
• soil 6%
• soil bacteria 15%
• soil fungi 16%
• soil microorganisms 29%
• soil pore water 23%
• soil solution 15%
• soil water 23%
• tannins 24%
• tracer techniques 13%
• uptake mechanisms 100%
• xylem 13%