condition mean min max 12pM Fe,Midday 62.1709 62.1709 62.1709 12pM Fe,Midnight 62.997150000000005 57.5242 68.4701 58pM Fe,Midday 36.4048 36.4048 36.4048 58pM Fe,Midnight 35.640142857142855 0.0 53.3508 233pM Fe,Midnight 28.868366666666667 25.5041 33.0243 1160pM Fe,Midday 26.769057142857143 23.0072 30.3536 1160pM Fe,Midnight 23.893858333333334 11.1715 35.7367 High carbon,Dark 30.058268933333334 0.817764 61.5855 High carbon,Light 19.71591846153846 6.99722 53.7923 Low carbon,Dark 28.9705 28.9705 28.9705 Phloroglucinol 53.4841 41.2495 61.9784 Silicon starvation,12h 35.8935 35.8935 35.8935