condition mean min max 12pM Fe,Midday 44.8278 44.8278 44.8278 12pM Fe,Midnight 46.23775 36.8617 55.6138 58pM Fe,Midday 42.4331 42.4331 42.4331 58pM Fe,Midnight 29.853357142857142 0.0 39.7136 233pM Fe,Midnight 28.1807 25.2036 30.5144 1160pM Fe,Midday 47.296757142857146 39.6501 53.987 1160pM Fe,Midnight 17.430741666666666 13.1008 23.3027 High carbon,Dark 25.05896 12.1354 48.0626 High carbon,Light 20.734571538461537 2.45495 44.2199 Low carbon,Dark 28.7986 28.7986 28.7986 Phloroglucinol 102.2404 63.2132 138.492 Silicon starvation,12h 28.6691 28.6691 28.6691