condition mean min max 12pM Fe,Midday 91.2319 91.2319 91.2319 12pM Fe,Midnight 73.0841 65.3714 80.7968 58pM Fe,Midday 60.3824 60.3824 60.3824 58pM Fe,Midnight 71.094 49.751 173.897 233pM Fe,Midnight 37.47653333333333 33.3587 39.8013 1160pM Fe,Midday 48.337 41.9035 54.933 1160pM Fe,Midnight 22.131941666666666 16.8456 27.1257 High carbon,Dark 45.99402666666666 10.4668 82.3076 High carbon,Light 42.67043846153846 25.0548 67.2553 Low carbon,Dark 41.3347 41.3347 41.3347 Phloroglucinol 20.423533333333335 14.1005 27.9954 Silicon starvation,12h 56.083 56.083 56.083