condition mean min max 12pM Fe,Midday 100.905 100.905 100.905 12pM Fe,Midnight 32.20035 29.1047 35.296 58pM Fe,Midday 74.7453 74.7453 74.7453 58pM Fe,Midnight 14.935042857142857 0.0 21.3253 233pM Fe,Midnight 19.003566666666668 17.7489 20.3215 1160pM Fe,Midday 65.80207142857142 60.0291 71.553 1160pM Fe,Midnight 2.7035505 0.882946 4.65368 High carbon,Dark 34.228472000000004 9.65718 70.4551 High carbon,Light 28.77986923076923 10.8052 56.5754 Low carbon,Dark 31.7086 31.7086 31.7086 Phloroglucinol 14.947063333333332 9.65339 19.7668 Silicon starvation,12h 51.5684 51.5684 51.5684