Distribution of Values for
Low Phosphorus Efficiency (LOWPHOS)
| Code | Definition | Number of Accessions |
| 1 | Most Efficient (represents the top 5%) | 33 |
| 2 | Efficient (represents next 20%) | 126 |
| 3 | Moderately Efficient (represents the next 50%) | 165 |
| 4 | Inefficient (represents the next 20%) | 170 |
| 5 | Most Inefficient (represents the lowest 5%) | 158 |