condition mean min max 12pM Fe,Midday 18.6422 18.6422 18.6422 12pM Fe,Midnight 13.654900000000001 13.4748 13.835 58pM Fe,Midday 11.6989 11.6989 11.6989 58pM Fe,Midnight 10.280792857142858 0.0 16.0349 233pM Fe,Midnight 7.9655933333333335 7.04848 8.72792 1160pM Fe,Midday 10.336508571428572 9.14172 12.1341 1160pM Fe,Midnight 2.4774683333333334 1.63034 4.21762 High carbon,Dark 6.397786666666667 1.616 9.85746 High carbon,Light 6.060900615384615 0.467017 12.3975 Low carbon,Dark 4.94139 4.94139 4.94139 Phloroglucinol 5.784623333333333 4.88808 7.11613 Silicon starvation,12h 12.8636 12.8636 12.8636