condition mean min max 12pM Fe,Midday 7.21658 7.21658 7.21658 12pM Fe,Midnight 30.701949999999997 24.0784 37.3255 58pM Fe,Midday 4.52311 4.52311 4.52311 58pM Fe,Midnight 23.052885714285715 0.0 37.4028 233pM Fe,Midnight 27.170133333333336 22.8469 29.4508 1160pM Fe,Midday 5.808852857142857 3.97784 7.52785 1160pM Fe,Midnight 25.976358333333334 15.2471 46.3179 High carbon,Dark 107.936902 6.19548 511.569 High carbon,Light 64.722273 0.0 246.081 Low carbon,Dark 46.4181 46.4181 46.4181 Phloroglucinol 18.3659 14.8852 20.341 Silicon starvation,12h 0.855419 0.855419 0.855419