condition mean min max 12pM Fe,Midday 24.9235 24.9235 24.9235 12pM Fe,Midnight 19.229300000000002 18.906 19.5526 58pM Fe,Midday 22.313 22.313 22.313 58pM Fe,Midnight 11.947571428571429 0.0 17.9062 233pM Fe,Midnight 10.206746666666666 8.58254 11.2694 1160pM Fe,Midday 14.867671428571429 10.6068 20.0905 1160pM Fe,Midnight 3.4273541666666665 1.13563 6.51444 High carbon,Dark 7.932278 1.53595 18.5361 High carbon,Light 8.651527923076923 0.345243 17.0896 Low carbon,Dark 8.57643 8.57643 8.57643 Phloroglucinol 10.30109 5.37597 13.5843 Silicon starvation,12h 36.703 36.703 36.703