condition mean min max 12pM Fe,Midday 1.9195 1.9195 1.9195 12pM Fe,Midnight 15.58105 15.251 15.9111 58pM Fe,Midday 1.08702 1.08702 1.08702 58pM Fe,Midnight 17.85195714285714 14.4511 27.2943 233pM Fe,Midnight 17.577533333333335 16.1404 18.6962 1160pM Fe,Midday 1.3301062857142858 0.884804 1.66928 1160pM Fe,Midnight 13.356541666666667 10.0486 18.9948 High carbon,Dark 10.622800666666667 5.14795 20.2263 High carbon,Light 4.392046076923077 0.215413 11.6271 Low carbon,Dark 9.35736 9.35736 9.35736 Phloroglucinol 13.930833333333334 13.4461 14.49 Silicon starvation,12h 17.081 17.081 17.081