condition mean min max 12pM Fe,Midday 66.0335 66.0335 66.0335 12pM Fe,Midnight 40.89835 37.3219 44.4748 58pM Fe,Midday 42.4249 42.4249 42.4249 58pM Fe,Midnight 25.240414285714287 0.0 32.2486 233pM Fe,Midnight 24.118033333333333 21.8134 25.2723 1160pM Fe,Midday 29.051714285714286 26.3369 31.3208 1160pM Fe,Midnight 35.06420833333333 22.6994 44.7788 High carbon,Dark 32.64488 19.0496 58.1163 High carbon,Light 34.77623076923077 13.5217 64.7523 Low carbon,Dark 23.7931 23.7931 23.7931 Phloroglucinol 58.0502 54.0905 60.988 Silicon starvation,12h 59.9503 59.9503 59.9503