condition mean min max 12pM Fe,Midday 43.5587 43.5587 43.5587 12pM Fe,Midnight 43.08895 38.1996 47.9783 58pM Fe,Midday 49.3181 49.3181 49.3181 58pM Fe,Midnight 43.8526 33.4038 83.2501 233pM Fe,Midnight 60.126133333333335 58.6492 62.713 1160pM Fe,Midday 36.75205714285714 33.6143 42.5411 1160pM Fe,Midnight 34.418925 15.7022 65.5369 High carbon,Dark 45.218922666666664 7.05224 76.6188 High carbon,Light 30.80908923076923 4.44116 66.6138 Low carbon,Dark 49.4708 49.4708 49.4708 Phloroglucinol 14.311266666666667 13.3252 15.4085 Silicon starvation,12h 31.9788 31.9788 31.9788