condition mean min max 12pM Fe,Midday 20.1313 20.1313 20.1313 12pM Fe,Midnight 16.5128 15.1644 17.8612 58pM Fe,Midday 18.0622 18.0622 18.0622 58pM Fe,Midnight 9.218477142857143 0.0 13.1888 233pM Fe,Midnight 14.814300000000001 13.5015 16.1445 1160pM Fe,Midday 14.477657142857144 12.7064 16.6679 1160pM Fe,Midnight 11.294829166666666 8.47129 13.8122 High carbon,Dark 16.128846666666668 10.9947 29.9789 High carbon,Light 13.39645076923077 7.7018 19.8007 Low carbon,Dark 11.6667 11.6667 11.6667 Phloroglucinol 27.352866666666667 23.2297 31.7469 Silicon starvation,12h 26.5926 26.5926 26.5926