condition mean min max 12pM Fe,Midday 52.2479 52.2479 52.2479 12pM Fe,Midnight 33.81035 30.3516 37.2691 58pM Fe,Midday 39.7301 39.7301 39.7301 58pM Fe,Midnight 19.1796 0.0 24.1159 233pM Fe,Midnight 16.714933333333335 16.5411 16.9532 1160pM Fe,Midday 36.31211428571429 35.2905 38.2583 1160pM Fe,Midnight 28.084733333333332 10.8016 43.7909 High carbon,Dark 18.702659333333333 3.20728 35.2343 High carbon,Light 27.87012076923077 0.96122 60.3677 Low carbon,Dark 15.2556 15.2556 15.2556 Phloroglucinol 102.64823333333334 70.6368 138.193 Silicon starvation,12h 65.0287 65.0287 65.0287