condition mean min max 12pM Fe,Midday 65.042 65.042 65.042 12pM Fe,Midnight 45.14175 44.4144 45.8691 58pM Fe,Midday 54.6746 54.6746 54.6746 58pM Fe,Midnight 31.344614285714286 0.0 43.6722 233pM Fe,Midnight 38.36776666666667 36.2927 40.7593 1160pM Fe,Midday 55.623157142857146 49.5938 62.3484 1160pM Fe,Midnight 41.56121666666667 25.9827 58.9909 High carbon,Dark 86.41226666666667 12.2984 532.188 High carbon,Light 69.07946153846154 16.7523 185.693 Low carbon,Dark 29.065 29.065 29.065 Phloroglucinol 66.9952 61.5176 74.66 Silicon starvation,12h 41.864 41.864 41.864