condition mean min max 12pM Fe,Midday 25.4739 25.4739 25.4739 12pM Fe,Midnight 18.484 17.2447 19.7233 58pM Fe,Midday 16.1611 16.1611 16.1611 58pM Fe,Midnight 12.159642857142858 0.0 15.6021 233pM Fe,Midnight 19.443666666666665 15.116 21.9118 1160pM Fe,Midday 14.875857142857143 11.5658 17.2577 1160pM Fe,Midnight 12.77215 9.29856 17.4414 High carbon,Dark 19.47126 13.3312 28.0696 High carbon,Light 18.072209230769232 6.74235 29.4732 Low carbon,Dark 15.6204 15.6204 15.6204 Phloroglucinol 9.845946666666666 7.29286 12.6072 Silicon starvation,12h 29.1244 29.1244 29.1244