condition mean min max 12pM Fe,Midday 28.912 28.912 28.912 12pM Fe,Midnight 33.16405 32.7645 33.5636 58pM Fe,Midday 16.956 16.956 16.956 58pM Fe,Midnight 17.228985714285713 0.0 23.1358 233pM Fe,Midnight 17.944200000000002 17.2973 19.1579 1160pM Fe,Midday 14.848771428571428 13.0643 16.6746 1160pM Fe,Midnight 7.441403333333334 5.84028 10.1047 High carbon,Dark 58.677353333333336 16.2583 171.734 High carbon,Light 18.119793846153847 2.82959 47.3101 Low carbon,Dark 9.83322 9.83322 9.83322 Phloroglucinol 28.88233333333333 19.5917 33.8985 Silicon starvation,12h 34.6216 34.6216 34.6216