condition mean min max 12pM Fe,Midday 44.5849 44.5849 44.5849 12pM Fe,Midnight 41.116749999999996 39.2876 42.9459 58pM Fe,Midday 37.0416 37.0416 37.0416 58pM Fe,Midnight 27.576514285714286 0.0 35.4556 233pM Fe,Midnight 22.69353333333333 21.1955 24.4733 1160pM Fe,Midday 40.4206 38.1182 43.0187 1160pM Fe,Midnight 31.89336666666667 19.4076 45.9684 High carbon,Dark 20.677322666666665 6.53694 36.6118 High carbon,Light 20.310743846153844 2.00364 41.7173 Low carbon,Dark 21.0157 21.0157 21.0157 Phloroglucinol 88.07623333333333 66.3262 129.963 Silicon starvation,12h 44.1509 44.1509 44.1509