condition mean min max 12pM Fe,Midday 49.4765 49.4765 49.4765 12pM Fe,Midnight 42.88395 37.7863 47.9816 58pM Fe,Midday 34.2025 34.2025 34.2025 58pM Fe,Midnight 31.215571428571426 0.0 41.4324 233pM Fe,Midnight 32.4507 29.859 35.1455 1160pM Fe,Midday 27.607285714285716 22.7974 32.0065 1160pM Fe,Midnight 22.581225 17.9447 26.513 High carbon,Dark 34.523633333333336 20.2275 54.8721 High carbon,Light 27.319127692307692 9.55746 49.2746 Low carbon,Dark 33.2896 33.2896 33.2896 Phloroglucinol 24.974766666666667 18.8169 32.1283 Silicon starvation,12h 52.7824 52.7824 52.7824