condition mean min max 12pM Fe,Midday 34.4346 34.4346 34.4346 12pM Fe,Midnight 25.0571 24.3179 25.7963 58pM Fe,Midday 23.2418 23.2418 23.2418 58pM Fe,Midnight 28.054542857142856 22.0469 56.9351 233pM Fe,Midnight 20.086733333333335 18.9513 22.0409 1160pM Fe,Midday 26.90597142857143 25.7437 28.9391 1160pM Fe,Midnight 10.379758333333333 7.29771 12.406 High carbon,Dark 15.440894666666667 5.58459 31.9969 High carbon,Light 13.907314615384616 2.07436 26.7508 Low carbon,Dark 16.6564 16.6564 16.6564 Phloroglucinol 21.019466666666666 17.72 24.3878 Silicon starvation,12h 47.2036 47.2036 47.2036