condition mean min max 12pM Fe,Midday 61.2361 61.2361 61.2361 12pM Fe,Midnight 53.94785 52.9308 54.9649 58pM Fe,Midday 45.031 45.031 45.031 58pM Fe,Midnight 42.128214285714286 33.8666 59.2324 233pM Fe,Midnight 28.831266666666668 25.8354 32.0351 1160pM Fe,Midday 20.964514285714287 15.7922 23.7207 1160pM Fe,Midnight 21.674033333333334 13.3539 34.5057 High carbon,Dark 30.690458 7.13137 47.6642 High carbon,Light 19.06831 5.84899 27.5744 Low carbon,Dark 26.8788 26.8788 26.8788 Phloroglucinol 26.519299999999998 22.5983 31.2854 Silicon starvation,12h 18.1558 18.1558 18.1558