condition mean min max 12pM Fe,Midday 57.9828 57.9828 57.9828 12pM Fe,Midnight 35.455600000000004 30.4291 40.4821 58pM Fe,Midday 46.0803 46.0803 46.0803 58pM Fe,Midnight 22.744214285714285 0.0 32.3476 233pM Fe,Midnight 27.866966666666666 26.4137 29.0649 1160pM Fe,Midday 43.26867142857143 39.7284 46.6081 1160pM Fe,Midnight 7.499433333333333 4.74791 8.69081 High carbon,Dark 25.768565333333335 6.79948 44.5225 High carbon,Light 24.66996846153846 1.26427 55.2784 Low carbon,Dark 31.4067 31.4067 31.4067 Phloroglucinol 27.1194 18.1668 34.1122 Silicon starvation,12h 61.3989 61.3989 61.3989