condition mean min max 12pM Fe,Midday 9.93757 9.93757 9.93757 12pM Fe,Midnight 20.462049999999998 19.1598 21.7643 58pM Fe,Midday 8.89202 8.89202 8.89202 58pM Fe,Midnight 22.6842 18.2091 39.6929 233pM Fe,Midnight 20.10503333333333 19.7959 20.6526 1160pM Fe,Midday 4.1951342857142855 3.23121 5.81145 1160pM Fe,Midnight 11.561 7.43813 17.4957 High carbon,Dark 16.812568666666667 3.89336 25.8746 High carbon,Light 6.875919307692308 0.302501 18.1589 Low carbon,Dark 12.1565 12.1565 12.1565 Phloroglucinol 6.1873233333333335 4.47794 8.68287 Silicon starvation,12h 15.1837 15.1837 15.1837