condition mean min max 12pM Fe,Midday 35.3209 35.3209 35.3209 12pM Fe,Midnight 36.06645 34.5556 37.5773 58pM Fe,Midday 38.1988 38.1988 38.1988 58pM Fe,Midnight 28.802242857142858 0.0 39.969 233pM Fe,Midnight 17.511366666666667 16.4568 18.8855 1160pM Fe,Midday 20.239842857142857 17.0099 23.6516 1160pM Fe,Midnight 16.994 15.1454 19.7635 High carbon,Dark 20.265477999999998 8.32217 43.9557 High carbon,Light 15.180453076923078 3.30318 38.0563 Low carbon,Dark 5.95208 5.95208 5.95208 Phloroglucinol 25.1431 18.1982 36.7201 Silicon starvation,12h 21.5851 21.5851 21.5851