condition mean min max 12pM Fe,Midday 52.5757 52.5757 52.5757 12pM Fe,Midnight 43.051050000000004 39.6981 46.404 58pM Fe,Midday 48.8121 48.8121 48.8121 58pM Fe,Midnight 33.739642857142854 28.5058 50.1968 233pM Fe,Midnight 30.8191 29.9363 32.4201 1160pM Fe,Midday 33.20147142857143 31.8728 34.6822 1160pM Fe,Midnight 29.278433333333332 24.3447 32.3496 High carbon,Dark 32.054805333333334 7.90768 47.9342 High carbon,Light 30.513992307692305 3.31545 49.3364 Low carbon,Dark 24.7811 24.7811 24.7811 Phloroglucinol 23.6004 16.7536 36.5574 Silicon starvation,12h 26.0039 26.0039 26.0039