condition mean min max 12pM Fe,Midday 80.4662 80.4662 80.4662 12pM Fe,Midnight 63.824 63.3983 64.2497 58pM Fe,Midday 77.9647 77.9647 77.9647 58pM Fe,Midnight 55.888957142857144 43.521 104.524 233pM Fe,Midnight 29.570966666666667 28.3604 31.0681 1160pM Fe,Midday 30.958885714285714 29.5428 32.6021 1160pM Fe,Midnight 33.139541666666666 14.5823 51.5151 High carbon,Dark 41.60992666666667 22.5897 63.4027 High carbon,Light 24.28274153846154 3.05355 63.4065 Low carbon,Dark 27.5524 27.5524 27.5524 Phloroglucinol 76.58596666666666 62.5825 89.4108 Silicon starvation,12h 39.8717 39.8717 39.8717