condition mean min max 12pM Fe,Midday 72.5648 72.5648 72.5648 12pM Fe,Midnight 54.46955 50.0871 58.852 58pM Fe,Midday 75.289 75.289 75.289 58pM Fe,Midnight 36.993857142857145 0.0 47.0713 233pM Fe,Midnight 65.87746666666666 63.7017 67.1202 1160pM Fe,Midday 70.31764285714286 62.3663 77.0671 1160pM Fe,Midnight 54.761375 32.4634 73.3972 High carbon,Dark 55.8187 30.3355 98.775 High carbon,Light 52.2097 12.4757 100.586 Low carbon,Dark 53.5662 53.5662 53.5662 Phloroglucinol 48.844566666666665 36.7524 67.0846 Silicon starvation,12h 96.702 96.702 96.702