condition mean min max 12pM Fe,Midday 35.5092 35.5092 35.5092 12pM Fe,Midnight 57.5758 51.8096 63.342 58pM Fe,Midday 77.847 77.847 77.847 58pM Fe,Midnight 41.001014285714284 26.5934 94.2017 233pM Fe,Midnight 39.5898 38.4236 40.7386 1160pM Fe,Midday 32.61707142857143 26.075 37.8126 1160pM Fe,Midnight 19.724333333333334 9.41627 27.0464 High carbon,Dark 27.323369466666666 0.419998 72.6206 High carbon,Light 20.93402153846154 2.16543 50.1613 Low carbon,Dark 52.1032 52.1032 52.1032 Phloroglucinol 0.810197 0.502603 1.26378 Silicon starvation,12h 27.29 27.29 27.29