condition mean min max 12pM Fe,Midday 32.2072 32.2072 32.2072 12pM Fe,Midnight 21.44585 21.1542 21.7375 58pM Fe,Midday 24.7486 24.7486 24.7486 58pM Fe,Midnight 12.828114285714285 0.0 16.649 233pM Fe,Midnight 18.3339 16.9046 20.2336 1160pM Fe,Midday 21.02222857142857 18.6129 23.854 1160pM Fe,Midnight 10.9441675 7.70307 12.6926 High carbon,Dark 15.974486666666666 10.8572 22.8365 High carbon,Light 14.150639538461538 0.765394 29.3198 Low carbon,Dark 8.49304 8.49304 8.49304 Phloroglucinol 16.146233333333335 14.7357 18.4781 Silicon starvation,12h 36.2479 36.2479 36.2479