condition mean min max 12pM Fe,Midday 60.6952 60.6952 60.6952 12pM Fe,Midnight 78.9456 75.4021 82.4891 58pM Fe,Midday 48.556 48.556 48.556 58pM Fe,Midnight 55.167699999999996 46.1747 61.305 233pM Fe,Midnight 34.831466666666664 34.1745 35.2722 1160pM Fe,Midday 44.35415714285714 34.8535 53.2126 1160pM Fe,Midnight 34.87404166666667 19.5305 49.4675 High carbon,Dark 62.263142 4.21689 140.167 High carbon,Light 36.51531769230769 4.69901 89.1298 Low carbon,Dark 65.6615 65.6615 65.6615 Phloroglucinol 1.850341 0.729403 2.71901 Silicon starvation,12h 3.31145 3.31145 3.31145