condition mean min max 12pM Fe,Midday 34.6615 34.6615 34.6615 12pM Fe,Midnight 26.99785 25.6727 28.323 58pM Fe,Midday 21.5761 21.5761 21.5761 58pM Fe,Midnight 14.335814285714285 0.0 17.7739 233pM Fe,Midnight 13.835866666666666 13.4913 14.4909 1160pM Fe,Midday 15.540099999999999 13.3919 18.3282 1160pM Fe,Midnight 5.6194075 3.61896 8.25475 High carbon,Dark 12.766988 5.40742 23.1462 High carbon,Light 7.631833076923077 1.69614 12.68 Low carbon,Dark 10.6425 10.6425 10.6425 Phloroglucinol 7.62648 4.98798 9.17317 Silicon starvation,12h 12.1538 12.1538 12.1538