condition mean min max 12pM Fe,Midday 13.0655 13.0655 13.0655 12pM Fe,Midnight 10.786495 9.38779 12.1852 58pM Fe,Midday 11.1406 11.1406 11.1406 58pM Fe,Midnight 7.9408900000000004 0.0 11.6289 233pM Fe,Midnight 9.405126666666668 9.17528 9.57184 1160pM Fe,Midday 8.98275 6.91194 10.6063 1160pM Fe,Midnight 2.7691875 1.40533 5.51124 High carbon,Dark 10.760984666666667 3.76508 24.4129 High carbon,Light 7.02119 1.99943 14.6735 Low carbon,Dark 11.5805 11.5805 11.5805 Phloroglucinol 2.783663666666667 0.595431 5.50276 Silicon starvation,12h 18.6522 18.6522 18.6522