condition mean min max 12pM Fe,Midday 66.9094 66.9094 66.9094 12pM Fe,Midnight 48.26755 45.5785 50.9566 58pM Fe,Midday 36.712 36.712 36.712 58pM Fe,Midnight 30.253457142857144 0.0 42.7571 233pM Fe,Midnight 15.117366666666667 13.2832 17.7603 1160pM Fe,Midday 38.372614285714285 29.357 44.4663 1160pM Fe,Midnight 39.456626666666665 8.82035 59.8933 High carbon,Dark 34.445326666666666 11.2656 55.3127 High carbon,Light 47.33741538461538 15.1369 74.9607 Low carbon,Dark 19.9409 19.9409 19.9409 Phloroglucinol 196.3 164.779 254.917 Silicon starvation,12h 77.6349 77.6349 77.6349