condition mean min max 12pM Fe,Midday 27.9614 27.9614 27.9614 12pM Fe,Midnight 25.6456 21.8091 29.4821 58pM Fe,Midday 16.4944 16.4944 16.4944 58pM Fe,Midnight 20.6253 0.0 27.6141 233pM Fe,Midnight 20.728233333333336 16.4461 22.8702 1160pM Fe,Midday 14.464482857142857 9.54738 17.3392 1160pM Fe,Midnight 8.8573625 4.42263 16.6117 High carbon,Dark 17.265674666666666 7.45907 28.6118 High carbon,Light 14.568529999999999 1.37177 29.8307 Low carbon,Dark 13.8833 13.8833 13.8833 Phloroglucinol 6.4586966666666665 4.91049 7.40839 Silicon starvation,12h 25.4105 25.4105 25.4105