condition mean min max 12pM Fe,Midday 50.0521 50.0521 50.0521 12pM Fe,Midnight 62.3864 55.7624 69.0104 58pM Fe,Midday 38.4768 38.4768 38.4768 58pM Fe,Midnight 52.181042857142856 43.6464 80.5106 233pM Fe,Midnight 56.34073333333333 51.1035 60.3724 1160pM Fe,Midday 28.858071428571428 26.2713 33.3048 1160pM Fe,Midnight 59.32050833333333 42.0346 78.4174 High carbon,Dark 70.22732 25.309 238.347 High carbon,Light 67.10206923076923 22.6664 173.16 Low carbon,Dark 50.787 50.787 50.787 Phloroglucinol 43.7108 29.1629 56.2718 Silicon starvation,12h 63.2703 63.2703 63.2703