Field triala | Treatment | Excavation depth (cm) | Sand (%)b | Silt (%)b | Clay (%)b | Ctot (g∙kg−1) | Ntot (g∙kg−1) | P (mg/100g) |
DIK | P- | 0 - 20 | 25 | 60 | 15 | 0.93 | 0.10 | 4.63 |
CKA | P+ | 0 - 20 | 8 | 77 | 15 | 1.04 | 0.11 | 9.55 |
CKA | all | 45 - 75 | 4 | 69 | 27 | 0.49 | 0.06 | 1.72 |