condition mean min max 12pM Fe,Midday 53.9242 53.9242 53.9242 12pM Fe,Midnight 22.11045 21.442 22.7789 58pM Fe,Midday 38.2029 38.2029 38.2029 58pM Fe,Midnight 10.775631428571428 0.0 17.848 233pM Fe,Midnight 4.591686666666667 4.3696 4.71908 1160pM Fe,Midday 36.23012857142857 33.0463 37.9706 1160pM Fe,Midnight 5.5537475 2.65991 8.34918 High carbon,Dark 13.760578666666667 4.46883 24.19 High carbon,Light 9.885075384615385 1.73043 22.0821 Low carbon,Dark 7.15889 7.15889 7.15889 Phloroglucinol 39.6479 28.7107 49.345 Silicon starvation,12h 17.8472 17.8472 17.8472