Research Article
Diversity of Rhizobium leguminosarum from Pea Fields in Washington State
Table 2
Results of soil analysis from fields where rhizobial isolates were collected.
| Location | Soil factor | pH | Ammonium-N (mg·kg−1) | Nitrate-N (mg·kg−1) | Phosphorus (mg·kg−1) | Potassium (mg·kg−1) | Boron (mg·kg−1) | Zinc (mg·kg−1) | Manganese (mg·kg−1) | Copper (mg·kg−1) | Iron (mg·kg−1) |
| Colton | 5.2 | 2.3 | 14.1 | 43 | 537 | 0.24 | 0.8 | 24.7 | 2.9 | 140 | Colfax | 5.9 | 1.5 | 6.9 | 17 | 169 | 0.24 | 0.3 | 6.9 | 2.6 | 60 | Oakesdale | 5.6 | 2.6 | 6.4 | 16 | 124 | 0.13 | 0.3 | 8.9 | 3.1 | 67 | Shawnee | 6.0 | 2.5 | 18.5 | 25 | 274 | 0.42 | 1 | 10.8 | 2.4 | 103 | Spillman | 5.8 | 2.8 | 6.5 | 17 | 124 | 0.17 | 0.5 | 5.8 | 2.5 | 73 |
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