condition mean min max 12pM Fe,Midday 44.8548 44.8548 44.8548 12pM Fe,Midnight 39.0867 38.1901 39.9833 58pM Fe,Midday 54.5395 54.5395 54.5395 58pM Fe,Midnight 31.688914285714286 0.0 41.7209 233pM Fe,Midnight 32.16693333333333 30.7196 34.2365 1160pM Fe,Midday 27.028971428571428 23.4448 31.1782 1160pM Fe,Midnight 31.256991666666668 23.7516 37.7229 High carbon,Dark 33.528506666666665 13.5257 58.0342 High carbon,Light 30.125846153846155 14.3817 52.3912 Low carbon,Dark 20.825 20.825 20.825 Phloroglucinol 20.3699 15.0471 25.9861 Silicon starvation,12h 59.2017 59.2017 59.2017