condition mean min max 12pM Fe,Midday 46.6847 46.6847 46.6847 12pM Fe,Midnight 41.5602 40.9643 42.1561 58pM Fe,Midday 40.233 40.233 40.233 58pM Fe,Midnight 26.59114285714286 0.0 35.9163 233pM Fe,Midnight 29.557233333333333 27.7339 31.5612 1160pM Fe,Midday 26.973042857142858 22.9074 30.2619 1160pM Fe,Midnight 17.702 14.1788 20.6612 High carbon,Dark 28.41698 17.4069 44.7476 High carbon,Light 25.878815384615386 14.0282 40.9308 Low carbon,Dark 24.4967 24.4967 24.4967 Phloroglucinol 33.11096666666667 25.5182 40.7518 Silicon starvation,12h 69.1722 69.1722 69.1722