condition mean min max 12pM Fe,Midday 1205.64 1205.64 1205.64 12pM Fe,Midnight 876.2874999999999 834.108 918.467 58pM Fe,Midday 823.837 823.837 823.837 58pM Fe,Midnight 1270.460857142857 873.128 1609.51 233pM Fe,Midnight 880.3486666666666 858.809 901.755 1160pM Fe,Midday 5808.868571428571 5324.51 6036.28 1160pM Fe,Midnight 726.7021666666667 640.324 836.934 High carbon,Dark 660.5932 151.816 1719.32 High carbon,Light 2163.9464615384613 189.189 6181.39 Low carbon,Dark 549.965 549.965 549.965 Phloroglucinol 661.187 199.26 952.787 Silicon starvation,12h 507.939 507.939 507.939