condition mean min max 12pM Fe,Midday 2.4022 2.4022 2.4022 12pM Fe,Midnight 16.8337 16.4167 17.2507 58pM Fe,Midday 0.303653 0.303653 0.303653 58pM Fe,Midnight 7.05492 0.0 11.5812 233pM Fe,Midnight 10.370256666666666 9.1474 11.9681 1160pM Fe,Midday 21.256942857142857 15.2913 29.2648 1160pM Fe,Midnight 32.54148333333333 17.0312 44.3917 High carbon,Dark 19.257437533333334 0.543903 73.7308 High carbon,Light 98.67243615384615 3.17717 296.763 Low carbon,Dark 0.55764 0.55764 0.55764 Phloroglucinol 5.438470000000001 1.40281 8.46141 Silicon starvation,12h 16.7918 16.7918 16.7918