condition mean min max 12pM Fe,Midday 14.9509 14.9509 14.9509 12pM Fe,Midnight 15.26475 13.6411 16.8884 58pM Fe,Midday 12.1955 12.1955 12.1955 58pM Fe,Midnight 16.333442857142856 0.0 21.8527 233pM Fe,Midnight 20.470133333333333 18.8463 23.1814 1160pM Fe,Midday 12.161428571428571 10.8135 14.417 1160pM Fe,Midnight 21.2063725 5.93867 32.4026 High carbon,Dark 16.278625333333334 1.67495 31.6409 High carbon,Light 9.007271538461538 2.03227 19.319 Low carbon,Dark 10.9936 10.9936 10.9936 Phloroglucinol 25.3064 16.9788 37.1242 Silicon starvation,12h 7.11337 7.11337 7.11337