condition mean min max 12pM Fe,Midday 50.9657 50.9657 50.9657 12pM Fe,Midnight 35.6584 35.5044 35.8124 58pM Fe,Midday 39.9168 39.9168 39.9168 58pM Fe,Midnight 32.242642857142854 25.2922 61.2082 233pM Fe,Midnight 14.991166666666667 13.7367 16.0102 1160pM Fe,Midday 26.325614285714288 23.0182 34.2579 1160pM Fe,Midnight 11.541263333333333 7.16573 17.2023 High carbon,Dark 16.418604666666667 2.72897 32.8863 High carbon,Light 12.202036923076923 2.83824 33.965 Low carbon,Dark 11.4713 11.4713 11.4713 Phloroglucinol 4.45667 3.45259 5.22512 Silicon starvation,12h 21.2586 21.2586 21.2586