condition mean min max 12pM Fe,Midday 43.0615 43.0615 43.0615 12pM Fe,Midnight 26.43855 25.1465 27.7306 58pM Fe,Midday 31.8012 31.8012 31.8012 58pM Fe,Midnight 27.834085714285713 21.2454 58.8761 233pM Fe,Midnight 15.5048 13.5118 16.8837 1160pM Fe,Midday 18.517142857142858 13.714 23.3133 1160pM Fe,Midnight 19.8222 15.6513 24.7608 High carbon,Dark 28.602358 5.77497 43.0764 High carbon,Light 25.389848230769232 0.0 40.1742 Low carbon,Dark 12.649 12.649 12.649 Phloroglucinol 23.7604 17.3817 34.077 Silicon starvation,12h 9.80026 9.80026 9.80026