condition mean min max 12pM Fe,Midday 27.9459 27.9459 27.9459 12pM Fe,Midnight 25.61235 24.6129 26.6118 58pM Fe,Midday 24.2546 24.2546 24.2546 58pM Fe,Midnight 20.984314285714287 14.6749 47.533 233pM Fe,Midnight 21.666433333333334 19.3034 23.3162 1160pM Fe,Midday 20.252785714285714 18.0797 21.0583 1160pM Fe,Midnight 15.207013333333334 7.20805 24.8125 High carbon,Dark 20.842128666666667 4.90294 52.8442 High carbon,Light 16.917086153846153 1.7318 39.3553 Low carbon,Dark 15.4267 15.4267 15.4267 Phloroglucinol 84.06960000000001 72.644 93.7501 Silicon starvation,12h 29.214 29.214 29.214