condition mean min max 12pM Fe,Midday 272.079 272.079 272.079 12pM Fe,Midnight 49.7137 46.6723 52.7551 58pM Fe,Midday 203.519 203.519 203.519 58pM Fe,Midnight 90.67052857142858 22.0956 332.372 233pM Fe,Midnight 38.384100000000004 36.5142 41.3416 1160pM Fe,Midday 805.1381428571428 665.878 866.863 1160pM Fe,Midnight 18.091241666666665 13.3582 24.3162 High carbon,Dark 65.67434266666666 4.44564 203.573 High carbon,Light 353.2727 13.2104 922.019 Low carbon,Dark 92.6776 92.6776 92.6776 Phloroglucinol 70.12400666666666 8.91802 122.36 Silicon starvation,12h 86.1797 86.1797 86.1797