From: Arbuscular mycorrhiza and soil organic nitrogen: network of players and interactions
Identity (form) of N amendment | Quantitative response ratio of AMF hyphal or spore developmenta | Amount of N transferredc |
---|---|---|
Complex organic N sources (plant biomass, yeast biomass, dead mycelium) | 919%1, 292–519%2, 756%4, 55–138%5, 72–341%6, 611%8, − 29 to 341%9, 111–347%18, 186–324%19, 111–4179%27 | 28.3% (NMd 1.3%)1, (7.9–16.7%)4, 5.0–32% (NM 0.2%)5, 6.0–6.2% (NM 0.2–0.3%6, 26%7, 5.4–9.0% (NM < 0.05%)8, 2.1–3.9% (NM 3.5–6.5%)11, 3.2–5.0% (NM 0.34–1.06%)13, (0.8–7.5%)14, 4.6–8.7%15, 16–25% (NM 2%)16, 15% (NM 5%)19, 4–15%27 |
Polysaccharides (chitinb, chitosan) | 507–729%1, 153–637%2, 23–239%9 | 22.3% (NM 1.2%)1 |
Proteins (e.g., albumin) | 485%1, 244–760%2 | |
Nucleic acids (DNA) | 602%1, 233–644%2 | |
Amino acids (Gly, Arg) | 439–1124%3, 27–187%20 | (72%)3, 1.6–5.1%17, 13%28, 0.06–0.1%29 |
Humic substances (humic acids, fulvic acids) | 5.2–158%10, 0.3–203%25 | |
Mineral N (NH4+, NO3−) | 323%1, − 13% to 612%21, − 1.3 to 25%22, 5.5–59%24, 828%26 | 0.35–4.67%12, 1.9–8.2%17, 2.0–5.8%21, 6% (NM 0%)22, 38.2–39.5% (NM 6.5–15.7%)23, 27.4–49.2% (NM 0.1–0.7%)24, (1–7%)26, 34.5%28, 0.58%29, 12–17% (NM 6–8%)30 |