condition mean min max 12pM Fe,Midday 97.9983 97.9983 97.9983 12pM Fe,Midnight 74.4323 67.0272 81.8374 58pM Fe,Midday 54.6926 54.6926 54.6926 58pM Fe,Midnight 41.229057142857144 0.0 52.4679 233pM Fe,Midnight 19.7116 17.2727 21.1229 1160pM Fe,Midday 36.76878571428571 32.1946 40.7133 1160pM Fe,Midnight 33.525058333333334 17.427 45.1937 High carbon,Dark 19.163341333333335 6.17343 34.5689 High carbon,Light 19.883283076923078 9.01938 29.6206 Low carbon,Dark 18.0276 18.0276 18.0276 Phloroglucinol 75.56536666666666 63.7069 88.0082 Silicon starvation,12h 42.6827 42.6827 42.6827