condition mean min max 12pM Fe,Midday 81.0073 81.0073 81.0073 12pM Fe,Midnight 74.23585 72.5946 75.8771 58pM Fe,Midday 60.8896 60.8896 60.8896 58pM Fe,Midnight 58.35147142857143 53.2949 63.3765 233pM Fe,Midnight 38.0448 37.2051 39.4895 1160pM Fe,Midday 51.13684285714286 48.9904 53.0113 1160pM Fe,Midnight 60.356991666666666 28.9508 86.4203 High carbon,Dark 42.13872 19.2203 61.9867 High carbon,Light 36.168143846153846 6.49859 58.2465 Low carbon,Dark 32.2385 32.2385 32.2385 Phloroglucinol 89.774 76.0475 109.257 Silicon starvation,12h 38.9822 38.9822 38.9822