condition mean min max 12pM Fe,Midday 13.3086 13.3086 13.3086 12pM Fe,Midnight 13.655550000000002 12.8152 14.4959 58pM Fe,Midday 10.3222 10.3222 10.3222 58pM Fe,Midnight 8.907197142857143 0.0 12.3419 233pM Fe,Midnight 10.515316666666667 9.10675 11.2356 1160pM Fe,Midday 7.443537142857143 6.69005 8.3236 1160pM Fe,Midnight 4.965538333333333 3.24884 5.75727 High carbon,Dark 6.3841920000000005 1.09713 11.9789 High carbon,Light 3.259072307692308 0.0 6.54765 Low carbon,Dark 5.87371 5.87371 5.87371 Phloroglucinol 9.272780000000001 8.33949 10.0759 Silicon starvation,12h 4.95462 4.95462 4.95462