condition mean min max 12pM Fe,Midday 43.7033 43.7033 43.7033 12pM Fe,Midnight 36.794200000000004 35.9732 37.6152 58pM Fe,Midday 33.2616 33.2616 33.2616 58pM Fe,Midnight 20.983228571428572 0.0 27.0391 233pM Fe,Midnight 16.262966666666667 15.0645 18.187 1160pM Fe,Midday 21.99637142857143 18.9569 24.1292 1160pM Fe,Midnight 16.40605 13.5048 21.4536 High carbon,Dark 17.016306666666665 11.5302 21.145 High carbon,Light 14.896367692307692 2.866 24.3175 Low carbon,Dark 9.45928 9.45928 9.45928 Phloroglucinol 82.65943333333334 81.4405 83.3074 Silicon starvation,12h 18.8068 18.8068 18.8068