condition mean min max 12pM Fe,Midday 16.6256 16.6256 16.6256 12pM Fe,Midnight 22.737299999999998 19.8079 25.6667 58pM Fe,Midday 12.1402 12.1402 12.1402 58pM Fe,Midnight 19.28407142857143 0.0 24.5129 233pM Fe,Midnight 24.292666666666666 22.2132 26.136 1160pM Fe,Midday 14.663157142857143 11.6778 17.7592 1160pM Fe,Midnight 13.550619166666666 9.33241 22.6972 High carbon,Dark 17.566234 6.13991 27.4834 High carbon,Light 9.984856153846154 3.71702 16.0812 Low carbon,Dark 10.7539 10.7539 10.7539 Phloroglucinol 6.008513333333333 5.46187 6.73521 Silicon starvation,12h 21.8577 21.8577 21.8577