condition mean min max 12pM Fe,Midday 1.0883 1.0883 1.0883 12pM Fe,Midnight 1.68492 1.50905 1.86079 58pM Fe,Midday 0.320992 0.320992 0.320992 58pM Fe,Midnight 2.2538071428571427 0.0 6.12124 233pM Fe,Midnight 3.9314333333333336 3.82292 4.06655 1160pM Fe,Midday 14.439165714285714 9.1293 34.1767 1160pM Fe,Midnight 5.1184725 1.14582 14.6016 High carbon,Dark 6.624122666666667 0.0 34.3376 High carbon,Light 13.92800923076923 0.0 47.1743 Low carbon,Dark 0.589481 0.589481 0.589481 Phloroglucinol 2.21165 1.37609 3.21299 Silicon starvation,12h 4.54086 4.54086 4.54086