condition mean min max 12pM Fe,Midday 31.1584 31.1584 31.1584 12pM Fe,Midnight 30.466450000000002 28.3531 32.5798 58pM Fe,Midday 32.3422 32.3422 32.3422 58pM Fe,Midnight 39.22 23.1484 106.504 233pM Fe,Midnight 26.588633333333334 24.8508 27.6141 1160pM Fe,Midday 23.958014285714285 19.8932 27.6336 1160pM Fe,Midnight 10.7941925 5.80172 22.3955 High carbon,Dark 26.646016 8.54724 40.0116 High carbon,Light 19.880715384615385 10.9355 26.4774 Low carbon,Dark 26.7761 26.7761 26.7761 Phloroglucinol 28.371433333333336 20.646 33.6794 Silicon starvation,12h 27.956 27.956 27.956