condition mean min max 12pM Fe,Midday 51.0248 51.0248 51.0248 12pM Fe,Midnight 61.497 59.8911 63.1029 58pM Fe,Midday 42.3019 42.3019 42.3019 58pM Fe,Midnight 74.21547142857143 50.1791 163.411 233pM Fe,Midnight 49.52996666666667 45.8043 52.4319 1160pM Fe,Midday 50.164814285714286 45.2039 57.3677 1160pM Fe,Midnight 37.71304166666667 31.3273 45.7362 High carbon,Dark 41.64748 32.8926 55.3536 High carbon,Light 36.03082307692308 15.1548 60.9509 Low carbon,Dark 39.5893 39.5893 39.5893 Phloroglucinol 48.7596 38.8867 62.6365 Silicon starvation,12h 69.048 69.048 69.048