condition mean min max 12pM Fe,Midday 5.13859 5.13859 5.13859 12pM Fe,Midnight 31.04285 30.2545 31.8312 58pM Fe,Midday 17.199 17.199 17.199 58pM Fe,Midnight 40.52717142857143 30.5637 79.4217 233pM Fe,Midnight 70.36286666666666 68.0012 72.073 1160pM Fe,Midday 0.4608568571428571 0.0 0.88315 1160pM Fe,Midnight 124.05324166666666 85.0595 150.527 High carbon,Dark 158.08686 40.2197 333.937 High carbon,Light 143.5392993846154 0.302638 428.783 Low carbon,Dark 35.5783 35.5783 35.5783 Phloroglucinol 44.11646666666667 22.0348 59.7795 Silicon starvation,12h 89.1092 89.1092 89.1092