Top 10Updated 2026年3月16日
Top 10 Nitrogen-Fixing Plant Communities in Nature
This ranking is based on the annual average nitrogen fixation rates (kg N/ha/yr) of various symbiotic plant communities. By partnering with rhizobia or actinomycetes, these plants serve as ecological cornerstones, maintaining soil fertility and facilitating ecosystem restoration.
Current #1
Tropical Leguminous Forest
Interesting Facts & Summary
The Power of Biological Nitrogen Fixation
Nitrogen-fixing plants are the natural fertilizer factories of our planet. Unlike synthetic fertilizers, these communities replenish soil nitrogen levels naturally.
- Key Fact: Tropical leguminous trees possess significantly higher fixation rates than temperate grassland species.
- Ecological Impact: Pioneer species, such as Alder (Alnus), actively modify impoverished soils, acting as essential catalysts for forest succession.
| Rank | Plant Community | Avg Nitrogen Fixation (kg/ha/yr) | Symbiotic Microorganism |
|---|---|---|---|
Tropical Leguminous Forest | 250 | Rhizobium | |
Alfalfa Pasture | 200 | Sinorhizobium | |
Alder Forest (Alnus spp.) | 150 | Frankia | |
| 4 | Soybean Fields | 120 | Bradyrhizobium |
| 5 | Clover Pasture | 110 | Rhizobium |
| 6 | Temperate Acacia Shrubland | 90 | Rhizobium |
| 7 | Bayberry Thickets (Myrica) | 75 | Frankia |
| 8 | Black Locust Forest (Robinia) | 70 | Rhizobium |
| 9 | Lupine Meadow | 60 | Rhizobium |
| 10 | Sea Buckthorn Forest (Hippophae) | 50 | Frankia |
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