|
Soil phosphorus |
||||
|
Group |
P ug/g soil |
Method |
Soil |
|
|
1 |
50.6 |
Mehlich |
Myers |
|
|
2 |
16.3 |
Olsen |
Corning |
|
|
3 |
43.9 |
Mehlich |
Corning |
|
|
4 |
10.5 |
Olsen |
Myers |
|
|
5 |
133.7 |
Mehlich |
Myers |
|
|
6 |
49.0 |
Olsen |
Myers |
|
|
7 |
||||
|
8 |
11.2 |
Olsen |
Corning |
|
|
9 |
45.7 |
Mehlich |
Corning |
|