condition mean min max 12pM Fe,Midday 34.1459 34.1459 34.1459 12pM Fe,Midnight 37.338300000000004 33.0033 41.6733 58pM Fe,Midday 46.6942 46.6942 46.6942 58pM Fe,Midnight 57.55992857142857 44.5362 100.317 233pM Fe,Midnight 117.82866666666666 113.463 123.153 1160pM Fe,Midday 12.99227142857143 10.0799 20.6368 1160pM Fe,Midnight 119.18665 44.5921 220.141 High carbon,Dark 220.63515333333334 42.128 448.887 High carbon,Light 161.4843276923077 0.0 490.758 Low carbon,Dark 37.1434 37.1434 37.1434 Phloroglucinol 28.4755 11.2399 39.9641 Silicon starvation,12h 150.446 150.446 150.446