condition mean min max 12pM Fe,Midday 45.0669 45.0669 45.0669 12pM Fe,Midnight 35.61515 34.0203 37.21 58pM Fe,Midday 35.9421 35.9421 35.9421 58pM Fe,Midnight 22.648457142857144 0.0 29.5245 233pM Fe,Midnight 17.151633333333333 16.2076 17.6443 1160pM Fe,Midday 24.677685714285715 22.2277 26.6506 1160pM Fe,Midnight 22.876941666666667 14.566 33.0537 High carbon,Dark 15.459704666666667 3.88952 26.4615 High carbon,Light 13.62171 2.63414 35.2119 Low carbon,Dark 11.4024 11.4024 11.4024 Phloroglucinol 39.72716666666667 35.9194 45.5849 Silicon starvation,12h 24.2359 24.2359 24.2359