condition mean min max 12pM Fe,Midday 15.7586 15.7586 15.7586 12pM Fe,Midnight 22.075850000000003 21.7256 22.4261 58pM Fe,Midday 12.6229 12.6229 12.6229 58pM Fe,Midnight 16.3919 0.0 19.9147 233pM Fe,Midnight 17.357666666666667 16.5554 17.8373 1160pM Fe,Midday 9.505592857142858 8.75298 10.2181 1160pM Fe,Midnight 16.158033333333332 12.4859 21.3666 High carbon,Dark 12.606039333333333 6.48509 19.0069 High carbon,Light 9.461028038461539 0.0748996 15.6453 Low carbon,Dark 8.89511 8.89511 8.89511 Phloroglucinol 8.818576666666667 6.57201 11.6028 Silicon starvation,12h 10.9167 10.9167 10.9167