condition mean min max 12pM Fe,Midday 0.262467 0.262467 0.262467 12pM Fe,Midnight 33.46815 31.6629 35.2734 58pM Fe,Midday 0.69673 0.69673 0.69673 58pM Fe,Midnight 46.5946 35.089 93.3036 233pM Fe,Midnight 40.22206666666666 37.595 43.2091 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 27.888166666666667 17.6167 41.8411 High carbon,Dark 28.298722666666666 4.15994 38.0797 High carbon,Light 7.845912307692307 0.0 18.861 Low carbon,Dark 17.913 17.913 17.913 Phloroglucinol 28.46633333333333 15.4322 37.7309 Silicon starvation,12h 33.8992 33.8992 33.8992