condition mean min max 12pM Fe,Midday 26.2201 26.2201 26.2201 12pM Fe,Midnight 21.159799999999997 20.3936 21.926 58pM Fe,Midday 31.8767 31.8767 31.8767 58pM Fe,Midnight 16.741214285714285 0.0 22.1831 233pM Fe,Midnight 21.005966666666666 20.4386 21.8865 1160pM Fe,Midday 29.742114285714287 26.0567 33.1564 1160pM Fe,Midnight 27.5639 13.7883 39.0598 High carbon,Dark 32.81902 10.051 62.1612 High carbon,Light 33.92326846153846 8.30179 58.4006 Low carbon,Dark 23.8097 23.8097 23.8097 Phloroglucinol 43.6915 41.973 45.3427 Silicon starvation,12h 261.386 261.386 261.386