condition mean min max 12pM Fe,Midday 80.7774 80.7774 80.7774 12pM Fe,Midnight 158.8055 153.202 164.409 58pM Fe,Midday 77.4319 77.4319 77.4319 58pM Fe,Midnight 195.5072857142857 135.864 368.145 233pM Fe,Midnight 121.99666666666667 121.088 122.937 1160pM Fe,Midday 48.787142857142854 38.1033 74.3685 1160pM Fe,Midnight 94.890125 83.74 108.444 High carbon,Dark 66.70347333333333 23.5074 136.822 High carbon,Light 22.86898846153846 5.18225 48.4923 Low carbon,Dark 87.0862 87.0862 87.0862 Phloroglucinol 21.968066666666665 11.7852 37.5711 Silicon starvation,12h 31.8184 31.8184 31.8184