107
Table 4-17 Regression Equations of FeCOH)^ and
Clover Application in relation to of Bray 2
Extractable P Levels After the Third
Clover added
(fc/kg)
Regression Equations
Correlation
Coef ficient
P Applied (0 mg/kg)
0
Bray
P = 8.92 .84 Fe
r2
=
.95
1.58
Bray
P = 13.42 .90
Fe
2
r
=
.41
3.15
Bray
P = 20.52 2.21
Fe
r2
=
.95
P Applied (50 mg/kg)
0
Bray
P = 32.92 3.76
Fe
2
r
=
.97
1.58
Bray
P = 39.60 4.73
Fe
2
r
=
.98
3.15
Bray
P = 42.53 3.73
Fe
2
r
=
.96
P Applied (100 mg/kg)
0
Bray
P = 59.8 6.07
Fe
2
r
=
.96
1.5 8
Bray
P = 66.91 6.29
Fe
2
r
=
.99
3.15
Bray
P = 69.87 5.89
Fe
2
r
=
.98