condition mean min max 12pM Fe,Midday 18.4854 18.4854 18.4854 12pM Fe,Midnight 12.21885 11.1297 13.308 58pM Fe,Midday 8.89577 8.89577 8.89577 58pM Fe,Midnight 21.726342857142857 0.0 72.8674 233pM Fe,Midnight 16.964933333333335 16.7633 17.088 1160pM Fe,Midday 18.005657142857142 12.1105 40.5952 1160pM Fe,Midnight 21.627904166666667 8.96299 45.4541 High carbon,Dark 10.929008666666666 0.0 20.4647 High carbon,Light 7.04023 1.14554 22.6168 Low carbon,Dark 7.90476 7.90476 7.90476 Phloroglucinol 2.8413933333333334 1.98855 3.69058 Silicon starvation,12h 21.4043 21.4043 21.4043