condition mean min max 12pM Fe,Midday 42.2061 42.2061 42.2061 12pM Fe,Midnight 36.498000000000005 33.6518 39.3442 58pM Fe,Midday 26.7033 26.7033 26.7033 58pM Fe,Midnight 19.113242857142858 0.0 26.8896 233pM Fe,Midnight 21.379733333333334 18.9304 22.6388 1160pM Fe,Midday 26.3212 23.8189 29.9051 1160pM Fe,Midnight 23.348425 14.6352 30.8424 High carbon,Dark 25.646373333333333 15.3328 42.2326 High carbon,Light 23.267746153846154 5.62831 34.7034 Low carbon,Dark 18.123 18.123 18.123 Phloroglucinol 39.00033333333333 29.5992 52.1464 Silicon starvation,12h 45.0417 45.0417 45.0417