Table 1: Summary of initial soil physical and chemical property means [n = 5; ± standard errors (SE)] for a phosphorus (P)-deficient, silt-loam soil used in the greenhouse study (modified from Della Lunga, et al. [46].).
Soil Property |
Mean (± SE) |
Sand (g g-1)† |
0.09 (< 0.01) |
Silt (g g-1)† |
0.79 (< 0.01) |
Clay (g g-1)† |
0.11 (< 0.01) |
Soil organic matter (%) |
2.6 (< 0.1) |
Total C (%) |
1.1 (< 0.1) |
Total N (%) |
0.1 (< 0.01) |
Mehlich-3 extractable soil nutrients (mg kg-1) |
|
P |
11.4 (0.1) |
K |
46.1 (0.9) |
Ca |
2006 (4.2) |
Mg |
276 (2.2) |
Fe |
304 (7.8) |
Mn |
244 (5.1) |
Zn |
2.5 (0.1) |
pH |
7.5 (< 0.1) |
Electrical conductivity (dS m-1) |
0.167 (< 0.1) |
†Sand, silt, and clay fractions do not add to 1 due to rounding for reporting purpose