condition mean min max 12pM Fe,Midday 93.8867 93.8867 93.8867 12pM Fe,Midnight 120.736 118.4 123.072 58pM Fe,Midday 89.4782 89.4782 89.4782 58pM Fe,Midnight 106.71248571428572 32.5614 126.509 233pM Fe,Midnight 61.44713333333333 60.9797 62.1747 1160pM Fe,Midday 61.805342857142854 55.3193 69.1446 1160pM Fe,Midnight 106.93174166666667 67.9812 143.939 High carbon,Dark 148.89946666666665 19.889 223.248 High carbon,Light 126.90393846153846 30.0897 220.291 Low carbon,Dark 126.515 126.515 126.515 Phloroglucinol 97.07033333333334 80.436 113.889 Silicon starvation,12h 156.087 156.087 156.087