condition mean min max 12pM Fe,Midday 23.3093 23.3093 23.3093 12pM Fe,Midnight 25.87235 23.9127 27.832 58pM Fe,Midday 18.3335 18.3335 18.3335 58pM Fe,Midnight 15.340857142857143 0.0 23.7676 233pM Fe,Midnight 8.27287 6.42194 11.2905 1160pM Fe,Midday 13.105887142857142 9.66891 21.1386 1160pM Fe,Midnight 8.089765 3.34357 12.3342 High carbon,Dark 35.835940666666666 7.28911 66.2945 High carbon,Light 25.982441538461536 3.69905 58.4862 Low carbon,Dark 23.8483 23.8483 23.8483 Phloroglucinol 14.4561 9.8244 20.0159 Silicon starvation,12h 39.2956 39.2956 39.2956