condition mean min max 12pM Fe,Midday 35.2214 35.2214 35.2214 12pM Fe,Midnight 37.37675 34.7435 40.01 58pM Fe,Midday 44.9503 44.9503 44.9503 58pM Fe,Midnight 25.093285714285713 0.0 38.188 233pM Fe,Midnight 25.8367 23.933 27.5873 1160pM Fe,Midday 20.714528571428573 19.507 22.2229 1160pM Fe,Midnight 22.932216666666665 18.0791 28.5801 High carbon,Dark 20.0232 13.4394 24.3149 High carbon,Light 14.037646153846154 3.67004 21.9304 Low carbon,Dark 13.8681 13.8681 13.8681 Phloroglucinol 9.286346666666667 7.27982 12.0905 Silicon starvation,12h 29.3662 29.3662 29.3662