condition mean min max 12pM Fe,Midday 9.3163 9.3163 9.3163 12pM Fe,Midnight 7.734745 7.39567 8.07382 58pM Fe,Midday 8.34164 8.34164 8.34164 58pM Fe,Midnight 9.26724142857143 3.08905 39.4264 233pM Fe,Midnight 3.4464966666666665 3.09383 3.79214 1160pM Fe,Midday 6.077618571428571 5.14608 7.15177 1160pM Fe,Midnight 2.0002708333333334 1.11682 2.58581 High carbon,Dark 7.404882733333333 0.362741 20.6014 High carbon,Light 8.409942384615384 0.901411 22.5901 Low carbon,Dark 4.32533 4.32533 4.32533 Phloroglucinol 7.121826666666666 4.79537 9.06743 Silicon starvation,12h 7.4462 7.4462 7.4462