Table 1: Determination of PO4-3 in pore water samples from agricultural soils in Southern Manitoba.
|
Concentration of Phosphate (µg mL-1) |
||
|
Soil (n = 7) |
Molybdenum Blue |
Rhodamine B |
|
Rosetown |
3.18 (± 0.04) |
3.13 (± 0.04) |
|
St. Pierre |
1.06 (± 0.04) |
1.06 (± 0.05) |
|
Ledwyn |
0.84 (± 0.04) |
0.92 (± 0.01) |