condition mean min max 12pM Fe,Midday 45.3236 45.3236 45.3236 12pM Fe,Midnight 36.8455 34.0978 39.5932 58pM Fe,Midday 35.8267 35.8267 35.8267 58pM Fe,Midnight 25.288742857142857 0.0 38.2995 233pM Fe,Midnight 25.040633333333332 21.8105 28.096 1160pM Fe,Midday 28.881814285714285 24.1723 34.2396 1160pM Fe,Midnight 23.948941666666666 13.3614 30.9004 High carbon,Dark 42.645873333333334 25.8606 84.3215 High carbon,Light 35.156823076923075 23.7393 59.3217 Low carbon,Dark 17.6758 17.6758 17.6758 Phloroglucinol 30.786666666666665 29.2322 32.9451 Silicon starvation,12h 26.4754 26.4754 26.4754