condition mean min max 12pM Fe,Midday 98.8703 98.8703 98.8703 12pM Fe,Midnight 92.29095 88.7863 95.7956 58pM Fe,Midday 80.1341 80.1341 80.1341 58pM Fe,Midnight 80.02025714285715 64.9069 88.3788 233pM Fe,Midnight 73.49613333333333 73.0653 73.7397 1160pM Fe,Midday 62.8785 60.9142 66.3353 1160pM Fe,Midnight 63.06375833333333 55.0038 76.1951 High carbon,Dark 69.69074 31.9773 94.0936 High carbon,Light 58.99528461538462 20.1573 107.724 Low carbon,Dark 47.1746 47.1746 47.1746 Phloroglucinol 55.18353333333334 49.0597 67.236 Silicon starvation,12h 77.8104 77.8104 77.8104