condition mean min max 12pM Fe,Midday 20.4631 20.4631 20.4631 12pM Fe,Midnight 25.71475 24.3971 27.0324 58pM Fe,Midday 15.9045 15.9045 15.9045 58pM Fe,Midnight 14.290142857142857 0.0 18.0586 233pM Fe,Midnight 18.249966666666666 15.233 19.8846 1160pM Fe,Midday 16.3422 13.1716 19.1455 1160pM Fe,Midnight 10.010406666666666 5.1133 19.9619 High carbon,Dark 15.303784666666667 6.42068 23.6671 High carbon,Light 14.735530769230769 3.9071 29.2028 Low carbon,Dark 18.4233 18.4233 18.4233 Phloroglucinol 8.590036666666666 6.99306 9.41994 Silicon starvation,12h 51.1342 51.1342 51.1342