condition mean min max 12pM Fe,Midday 25.313 25.313 25.313 12pM Fe,Midnight 35.94045 34.8735 37.0074 58pM Fe,Midday 22.4677 22.4677 22.4677 58pM Fe,Midnight 47.50347142857143 33.7757 117.483 233pM Fe,Midnight 41.88346666666666 39.3403 43.8927 1160pM Fe,Midday 18.864957142857143 13.3263 27.4395 1160pM Fe,Midnight 72.84199166666667 37.2707 98.1975 High carbon,Dark 79.64684866666667 8.08063 193.961 High carbon,Light 47.42207692307692 10.9816 73.4482 Low carbon,Dark 53.1679 53.1679 53.1679 Phloroglucinol 65.73293333333334 40.6425 91.9052 Silicon starvation,12h 69.3148 69.3148 69.3148