condition mean min max 12pM Fe,Midday 14.4991 14.4991 14.4991 12pM Fe,Midnight 19.8663 17.586 22.1466 58pM Fe,Midday 13.1636 13.1636 13.1636 58pM Fe,Midnight 13.672357142857143 0.0 18.4431 233pM Fe,Midnight 5.398289999999999 5.05573 5.83163 1160pM Fe,Midday 8.309362857142856 7.54189 9.18158 1160pM Fe,Midnight 3.5547516666666668 1.55041 5.69922 High carbon,Dark 12.774818266666667 0.478754 25.2601 High carbon,Light 6.829517923076923 0.754993 17.7555 Low carbon,Dark 9.08064 9.08064 9.08064 Phloroglucinol 9.11507 7.42932 10.7015 Silicon starvation,12h 4.21071 4.21071 4.21071