condition mean min max 12pM Fe,Midday 41.4805 41.4805 41.4805 12pM Fe,Midnight 34.773 31.8469 37.6991 58pM Fe,Midday 23.6481 23.6481 23.6481 58pM Fe,Midnight 32.50885714285714 0.0 52.8094 233pM Fe,Midnight 47.451233333333334 45.0773 50.5643 1160pM Fe,Midday 84.0998 72.2638 93.0821 1160pM Fe,Midnight 40.17101666666667 34.9339 44.7984 High carbon,Dark 39.250193333333335 17.629 90.3838 High carbon,Light 119.95285384615384 24.2279 246.422 Low carbon,Dark 31.6664 31.6664 31.6664 Phloroglucinol 15.55703 4.93139 24.9927 Silicon starvation,12h 43.0839 43.0839 43.0839