condition mean min max 12pM Fe,Midday 54.8751 54.8751 54.8751 12pM Fe,Midnight 54.7743 50.7514 58.7972 58pM Fe,Midday 42.3026 42.3026 42.3026 58pM Fe,Midnight 37.11848571428572 0.0 47.682 233pM Fe,Midnight 45.08006666666667 42.2634 49.2231 1160pM Fe,Midday 45.064414285714285 38.3439 56.5304 1160pM Fe,Midnight 15.885466666666666 11.7942 21.257 High carbon,Dark 44.39967333333333 19.1078 75.4579 High carbon,Light 43.552534615384616 7.3422 68.7525 Low carbon,Dark 56.069 56.069 56.069 Phloroglucinol 28.887566666666668 21.289 38.8026 Silicon starvation,12h 61.4983 61.4983 61.4983