condition mean min max 12pM Fe,Midday 48.8559 48.8559 48.8559 12pM Fe,Midnight 35.49955 31.1071 39.892 58pM Fe,Midday 33.0842 33.0842 33.0842 58pM Fe,Midnight 57.02265714285714 32.8196 177.221 233pM Fe,Midnight 24.8143 20.1805 30.9037 1160pM Fe,Midday 54.04391428571429 46.6617 65.47 1160pM Fe,Midnight 13.743808333333334 10.8742 17.3771 High carbon,Dark 23.843759333333335 7.83428 36.8361 High carbon,Light 29.54427 1.76095 66.8104 Low carbon,Dark 16.2018 16.2018 16.2018 Phloroglucinol 18.094833333333334 14.9948 20.3789 Silicon starvation,12h 73.4648 73.4648 73.4648