Table 4-4 Phosphorus Uptake Response Surface Equations Obtained From First Cropping
Period.
Clover applied Correlation
g/kg Response Surface Equation Coefficient
0 P uptake = .004 + 0.06 P + 0.05 Fe 0.01 P*Fe r2 = .91
1.58 P uptake = .37 + .04 P .02 Fe .003 P*Fe r2 = .74
3.15 P uptake = 1.90 + .05 P .26 Fe .004 P*Fe r2 = .72