JEQ Journal of Natural Resources and Life Sciences Education
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Figure 1


Fig. 1. The r2 values for relationships between the [P/(Al+{gamma}Fe)]M-III ratio as an index of P saturation (IPSM-III) and the degree of P saturation (DPSOX) ({alpha}m = 0.4) or water-extractable P (PW) by varying the {gamma} coefficient in IPSM-III.





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