condition mean min max 12pM Fe,Midday 70.0659 70.0659 70.0659 12pM Fe,Midnight 62.84295 60.2123 65.4736 58pM Fe,Midday 83.0228 83.0228 83.0228 58pM Fe,Midnight 51.22922857142857 35.6829 72.1956 233pM Fe,Midnight 36.637433333333334 34.5285 40.6639 1160pM Fe,Midday 24.310242857142857 21.9431 26.0642 1160pM Fe,Midnight 23.359875 12.4378 33.6648 High carbon,Dark 29.644345333333334 6.97444 50.382 High carbon,Light 20.598865384615383 2.86948 51.4893 Low carbon,Dark 20.7908 20.7908 20.7908 Phloroglucinol 49.7995 32.7061 58.5284 Silicon starvation,12h 39.9809 39.9809 39.9809