condition mean min max 12pM Fe,Midday 28.6599 28.6599 28.6599 12pM Fe,Midnight 16.3082 13.2681 19.3483 58pM Fe,Midday 18.9788 18.9788 18.9788 58pM Fe,Midnight 23.155342857142855 13.0812 65.7303 233pM Fe,Midnight 8.553776666666668 8.40606 8.82577 1160pM Fe,Midday 13.751757142857143 11.5528 16.9043 1160pM Fe,Midnight 7.3041350000000005 4.38185 11.595 High carbon,Dark 9.805071333333334 2.31537 20.038 High carbon,Light 11.698616923076923 1.95938 19.038 Low carbon,Dark 9.01379 9.01379 9.01379 Phloroglucinol 12.9278 11.2389 15.6208 Silicon starvation,12h 23.0396 23.0396 23.0396