condition mean min max 12pM Fe,Midday 52.0124 52.0124 52.0124 12pM Fe,Midnight 81.7368 75.9963 87.4773 58pM Fe,Midday 47.3148 47.3148 47.3148 58pM Fe,Midnight 62.460614285714286 50.4171 70.5555 233pM Fe,Midnight 37.2233 36.793 37.9518 1160pM Fe,Midday 33.24308571428571 22.4659 41.7537 1160pM Fe,Midnight 29.851566666666667 22.4616 41.069 High carbon,Dark 57.612786 4.68842 187.228 High carbon,Light 30.238794615384613 4.15252 80.1498 Low carbon,Dark 82.4505 82.4505 82.4505 Phloroglucinol 7.77594 6.55991 10.0039 Silicon starvation,12h 15.6135 15.6135 15.6135