condition mean min max 12pM Fe,Midday 68.6838 68.6838 68.6838 12pM Fe,Midnight 19.1186 11.7123 26.5249 58pM Fe,Midday 45.3353 45.3353 45.3353 58pM Fe,Midnight 22.16354 0.0 43.4084 233pM Fe,Midnight 12.197966666666666 11.9531 12.4879 1160pM Fe,Midday 244.1517142857143 195.109 285.674 1160pM Fe,Midnight 5.773060833333334 3.80893 8.23013 High carbon,Dark 10.412203866666667 0.830908 44.0901 High carbon,Light 47.16197538461538 1.86767 124.529 Low carbon,Dark 4.12411 4.12411 4.12411 Phloroglucinol 42.76866666666667 36.3794 50.6438 Silicon starvation,12h 14.8013 14.8013 14.8013