condition mean min max 12pM Fe,Midday 22.9866 22.9866 22.9866 12pM Fe,Midnight 13.0039 11.7227 14.2851 58pM Fe,Midday 14.0813 14.0813 14.0813 58pM Fe,Midnight 10.135594285714285 0.0 14.3364 233pM Fe,Midnight 8.339673333333334 7.67271 8.80945 1160pM Fe,Midday 11.379425714285714 9.21198 13.2613 1160pM Fe,Midnight 6.3335525 4.6698 8.97484 High carbon,Dark 14.024836666666667 5.14002 29.0758 High carbon,Light 10.031043538461539 0.930156 20.2586 Low carbon,Dark 11.8522 11.8522 11.8522 Phloroglucinol 17.1398 13.7115 20.5413 Silicon starvation,12h 19.618 19.618 19.618