condition mean min max 12pM Fe,Midday 32.801 32.801 32.801 12pM Fe,Midnight 23.52445 22.8042 24.2447 58pM Fe,Midday 24.7062 24.7062 24.7062 58pM Fe,Midnight 17.047385714285713 0.0 23.0419 233pM Fe,Midnight 21.758266666666668 20.7651 23.0002 1160pM Fe,Midday 15.5097 12.7757 19.3683 1160pM Fe,Midnight 27.4283 23.0977 38.7079 High carbon,Dark 38.62582666666667 17.9208 64.0175 High carbon,Light 29.27263153846154 1.83602 47.4399 Low carbon,Dark 17.1795 17.1795 17.1795 Phloroglucinol 20.269099999999998 17.3265 23.0861 Silicon starvation,12h 64.6255 64.6255 64.6255