condition mean min max 12pM Fe,Midday 79.6791 79.6791 79.6791 12pM Fe,Midnight 100.9933 87.3406 114.646 58pM Fe,Midday 73.4012 73.4012 73.4012 58pM Fe,Midnight 58.121585714285715 0.0 93.0443 233pM Fe,Midnight 74.66166666666666 67.6614 81.5512 1160pM Fe,Midday 55.41097142857143 45.4055 69.1189 1160pM Fe,Midnight 52.23308333333333 36.3551 75.5369 High carbon,Dark 36.43233 1.72995 100.642 High carbon,Light 38.20962615384615 5.14062 122.491 Low carbon,Dark 117.06 117.06 117.06 Phloroglucinol 38.30713333333333 28.0423 56.5163 Silicon starvation,12h 47.819 47.819 47.819