condition mean min max 12pM Fe,Midday 3.31242 3.31242 3.31242 12pM Fe,Midnight 0.344479 0.0 0.688958 58pM Fe,Midday 1.17239 1.17239 1.17239 58pM Fe,Midnight 0.608737 0.0 1.57211 233pM Fe,Midnight 1.10686 0.0 1.67789 1160pM Fe,Midday 0.8477655714285715 0.0 2.15122 1160pM Fe,Midnight 1.0610424166666668 0.0 2.79938 High carbon,Dark 3.099142666666667 0.0 9.57253 High carbon,Light 1.928055923076923 0.0 6.75355 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 2.874006666666667 1.66052 3.61081 Silicon starvation,12h 1.1308 1.1308 1.1308