condition mean min max 12pM Fe,Midday 18.1166 18.1166 18.1166 12pM Fe,Midnight 13.0943 12.469 13.7196 58pM Fe,Midday 11.9499 11.9499 11.9499 58pM Fe,Midnight 12.367242857142857 9.7311 23.4189 233pM Fe,Midnight 7.39978 7.10579 7.87721 1160pM Fe,Midday 8.273471428571428 6.1742 10.0259 1160pM Fe,Midnight 7.7222816666666665 5.30053 10.0101 High carbon,Dark 6.357458666666667 1.61261 15.6199 High carbon,Light 2.792876023076923 0.0 6.46358 Low carbon,Dark 6.31596 6.31596 6.31596 Phloroglucinol 13.1067 11.5175 14.1831 Silicon starvation,12h 4.57291 4.57291 4.57291