condition mean min max 12pM Fe,Midday 35.5337 35.5337 35.5337 12pM Fe,Midnight 20.47585 20.0867 20.865 58pM Fe,Midday 25.0252 25.0252 25.0252 58pM Fe,Midnight 14.4276 0.0 18.1222 233pM Fe,Midnight 17.387666666666668 15.1344 18.968 1160pM Fe,Midday 20.505157142857144 18.2497 22.8186 1160pM Fe,Midnight 14.1094 12.0529 18.5368 High carbon,Dark 19.914623333333335 8.01941 28.0662 High carbon,Light 21.05618923076923 7.46 39.5277 Low carbon,Dark 15.319 15.319 15.319 Phloroglucinol 13.499356666666666 9.32227 20.4213 Silicon starvation,12h 66.2917 66.2917 66.2917