condition mean min max 12pM Fe,Midday 14.5487 14.5487 14.5487 12pM Fe,Midnight 38.0542 33.469 42.6394 58pM Fe,Midday 7.41195 7.41195 7.41195 58pM Fe,Midnight 32.546842857142856 0.0 42.197 233pM Fe,Midnight 41.134033333333335 37.8894 44.2453 1160pM Fe,Midday 5.25255 3.17422 6.24477 1160pM Fe,Midnight 18.011570833333334 7.97494 36.8939 High carbon,Dark 28.133335333333335 3.84313 46.583 High carbon,Light 12.898332307692307 4.63837 25.4109 Low carbon,Dark 18.9846 18.9846 18.9846 Phloroglucinol 9.152506666666667 6.41072 10.9633 Silicon starvation,12h 38.0025 38.0025 38.0025