condition mean min max 12pM Fe,Midday 47.0045 47.0045 47.0045 12pM Fe,Midnight 47.447050000000004 46.7124 48.1817 58pM Fe,Midday 43.3812 43.3812 43.3812 58pM Fe,Midnight 43.12007142857143 40.448 45.9917 233pM Fe,Midnight 23.5787 23.4015 23.7865 1160pM Fe,Midday 30.207314285714286 28.6803 31.3563 1160pM Fe,Midnight 31.854 20.438 38.8708 High carbon,Dark 19.332673333333332 10.4147 25.988 High carbon,Light 21.257886153846155 1.57726 37.1788 Low carbon,Dark 12.7467 12.7467 12.7467 Phloroglucinol 61.6707 48.7703 69.0586 Silicon starvation,12h 22.1414 22.1414 22.1414