condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.4703695 0.310738 0.630001 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.1727297142857143 0.0 0.499925 233pM Fe,Midnight 9.787596666666666 9.20046 10.1647 1160pM Fe,Midday 0.03461628571428572 0.0 0.242314 1160pM Fe,Midnight 0.14034108333333334 0.0 0.435421 High carbon,Dark 10.985754 0.0 47.213 High carbon,Light 9.353127692307693 1.36039 20.5854 Low carbon,Dark 24.1176 24.1176 24.1176 Phloroglucinol 17.217456666666667 4.93487 36.193 Silicon starvation,12h 0.172339 0.172339 0.172339