condition mean min max 12pM Fe,Midday 0.532074 0.532074 0.532074 12pM Fe,Midnight 1.187666 0.737782 1.63755 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.409627 0.0 0.748459 233pM Fe,Midnight 0.5524776666666666 0.224599 0.773172 1160pM Fe,Midday 0.16262328571428572 0.0 0.408771 1160pM Fe,Midnight 0.09383283333333334 0.0 0.546753 High carbon,Dark 1.5573247333333333 0.0 3.18703 High carbon,Light 0.6808129230769231 0.0 2.12037 Low carbon,Dark 1.1528 1.1528 1.1528 Phloroglucinol 26.70596666666667 10.6334 41.6764 Silicon starvation,12h 1.31185 1.31185 1.31185