condition mean min max 12pM Fe,Midday 48.0497 48.0497 48.0497 12pM Fe,Midnight 37.5416 36.9342 38.149 58pM Fe,Midday 50.2805 50.2805 50.2805 58pM Fe,Midnight 34.970528571428574 0.0 43.9572 233pM Fe,Midnight 46.67256666666667 43.5132 51.0007 1160pM Fe,Midday 47.20187142857143 38.105 52.3014 1160pM Fe,Midnight 26.223883333333333 19.765 34.5602 High carbon,Dark 45.53822666666667 13.9067 72.1323 High carbon,Light 36.998975384615385 9.28398 67.5765 Low carbon,Dark 43.4526 43.4526 43.4526 Phloroglucinol 29.62076666666667 22.4533 34.7289 Silicon starvation,12h 70.8431 70.8431 70.8431