| Fertilizer-phosphorus source | ||||
| Fertilizer property§ | CPST | ECST | MAP | TSP |
| pH | 8.8 (0.1) | 6.6 (0.01) | 4.4 (0.02) | 2.4 (0.02) |
| Total C (%) | 0.2 (0.01) | 0.1 (0.04) | 0.3 (0.01) | 0.3 (<0.01) |
| Total N (%) | 5.7 (0.2) | 5.1 (0.2) | 10.7 (0.1) | 0.02 (<0.01) |
| Mehlich-3 elements |
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| P (g·kg−1) | 24.5 (0.3) | 26.9 (0.20) | 182 (1.3) | 171 (3.8) |
| Ca (g·kg−1) | 0.1 (<0.01) | <0.01 (<0.01) | 1.9 (0.04) | 106 (2.3) |
| Mg (g·kg−1) | 21.4 (0.2) | 23.8 (0.1) | 6.8 (0.1) | 4.7 (0.1) |
| Fe (g·kg−1) | 0.1 (<0.01) | <0.01 (<0.01) | 0.3 (<0.1) | 0.4 (0.02) |
| Measured fertilizer grade† | 6 - 26 - 0 | 5 - 37 - 0 | 11 - 47 - 0 | 0 - 41 - 0 |