condition mean min max 12pM Fe,Midday 40.5183 40.5183 40.5183 12pM Fe,Midnight 35.0406 33.7099 36.3713 58pM Fe,Midday 45.8911 45.8911 45.8911 58pM Fe,Midnight 33.45484285714286 21.2026 72.0185 233pM Fe,Midnight 21.677500000000002 17.9587 24.3636 1160pM Fe,Midday 24.57737142857143 20.5546 27.7108 1160pM Fe,Midnight 18.749125 12.5229 23.108 High carbon,Dark 43.87744 23.4186 85.2279 High carbon,Light 73.07598461538461 15.2663 208.708 Low carbon,Dark 41.1504 41.1504 41.1504 Phloroglucinol 29.46823333333333 22.0841 34.7103 Silicon starvation,12h 216.935 216.935 216.935