condition mean min max 12pM Fe,Midday 26.8285 26.8285 26.8285 12pM Fe,Midnight 23.226300000000002 22.977 23.4756 58pM Fe,Midday 20.9463 20.9463 20.9463 58pM Fe,Midnight 16.165457142857143 0.0 22.565 233pM Fe,Midnight 19.072033333333334 16.708 21.5223 1160pM Fe,Midday 17.50807142857143 10.1 21.5298 1160pM Fe,Midnight 6.9195641666666665 3.05607 13.0446 High carbon,Dark 13.717946666666666 2.50126 24.2285 High carbon,Light 13.103996923076924 5.34435 32.1926 Low carbon,Dark 11.5399 11.5399 11.5399 Phloroglucinol 30.108033333333335 24.7295 36.9163 Silicon starvation,12h 31.8761 31.8761 31.8761