condition mean min max 12pM Fe,Midday 26.7478 26.7478 26.7478 12pM Fe,Midnight 26.88655 24.8886 28.8845 58pM Fe,Midday 44.8441 44.8441 44.8441 58pM Fe,Midnight 29.639485714285716 0.0 44.1468 233pM Fe,Midnight 32.26756666666667 31.1982 33.3154 1160pM Fe,Midday 61.30405714285714 52.0317 73.1415 1160pM Fe,Midnight 21.104283333333335 12.703 28.3644 High carbon,Dark 35.658722 0.0 95.8089 High carbon,Light 45.54177 2.30077 138.237 Low carbon,Dark 66.3401 66.3401 66.3401 Phloroglucinol 8.495816666666666 6.17506 10.6803 Silicon starvation,12h 43.2531 43.2531 43.2531