condition mean min max 12pM Fe,Midday 21.6324 21.6324 21.6324 12pM Fe,Midnight 19.3429 18.4381 20.2477 58pM Fe,Midday 26.3441 26.3441 26.3441 58pM Fe,Midnight 23.022442857142856 11.8932 79.2787 233pM Fe,Midnight 15.8071 13.9628 17.3608 1160pM Fe,Midday 14.663457142857144 12.2503 16.6874 1160pM Fe,Midnight 13.735093333333333 8.34046 19.4535 High carbon,Dark 33.59184333333334 7.25975 108.867 High carbon,Light 47.37870538461539 6.1929 146.601 Low carbon,Dark 17.3947 17.3947 17.3947 Phloroglucinol 45.018633333333334 39.9602 55.0583 Silicon starvation,12h 32.2931 32.2931 32.2931