condition mean min max 12pM Fe,Midday 55.8852 55.8852 55.8852 12pM Fe,Midnight 54.9868 51.9381 58.0355 58pM Fe,Midday 51.6746 51.6746 51.6746 58pM Fe,Midnight 41.37491428571428 0.0 50.8958 233pM Fe,Midnight 43.583600000000004 42.1526 46.0489 1160pM Fe,Midday 48.88292857142857 43.4979 54.9944 1160pM Fe,Midnight 59.027575 29.1609 82.6818 High carbon,Dark 54.564 28.0757 77.3771 High carbon,Light 51.061038461538466 11.976 80.9603 Low carbon,Dark 64.0694 64.0694 64.0694 Phloroglucinol 75.60703333333333 68.2069 88.2179 Silicon starvation,12h 68.6008 68.6008 68.6008