condition mean min max 12pM Fe,Midday 29.0062 29.0062 29.0062 12pM Fe,Midnight 18.655549999999998 17.6113 19.6998 58pM Fe,Midday 24.7348 24.7348 24.7348 58pM Fe,Midnight 17.439942857142857 0.0 21.7845 233pM Fe,Midnight 19.8633 19.3263 20.4399 1160pM Fe,Midday 17.9855 16.7498 19.0478 1160pM Fe,Midnight 49.91070833333333 26.2748 68.0275 High carbon,Dark 34.40983333333333 25.4471 47.8909 High carbon,Light 38.15490153846154 4.09842 61.7991 Low carbon,Dark 17.742 17.742 17.742 Phloroglucinol 27.7243 23.2035 32.9814 Silicon starvation,12h 41.39 41.39 41.39