condition mean min max 12pM Fe,Midday 18.928 18.928 18.928 12pM Fe,Midnight 23.9498 23.4084 24.4912 58pM Fe,Midday 24.1418 24.1418 24.1418 58pM Fe,Midnight 22.41972857142857 14.8479 60.6185 233pM Fe,Midnight 20.573466666666665 19.9747 21.133 1160pM Fe,Midday 15.662671428571429 14.24 16.75 1160pM Fe,Midnight 16.49234166666667 12.9961 21.275 High carbon,Dark 17.162303333333334 7.91869 28.56 High carbon,Light 19.259853076923076 6.62567 30.6559 Low carbon,Dark 13.0234 13.0234 13.0234 Phloroglucinol 9.051366666666667 7.80033 9.75888 Silicon starvation,12h 28.8155 28.8155 28.8155