condition mean min max 12pM Fe,Midday 52.651 52.651 52.651 12pM Fe,Midnight 31.59915 30.1843 33.014 58pM Fe,Midday 39.0517 39.0517 39.0517 58pM Fe,Midnight 33.5301 0.0 44.0976 233pM Fe,Midnight 43.8501 35.7888 53.5239 1160pM Fe,Midday 34.335457142857145 30.0725 40.1862 1160pM Fe,Midnight 49.486625000000004 34.2369 61.7233 High carbon,Dark 200.13176 33.4243 933.216 High carbon,Light 294.2359923076923 20.0395 1030.17 Low carbon,Dark 51.5852 51.5852 51.5852 Phloroglucinol 32.446333333333335 30.596 35.9036 Silicon starvation,12h 90.3108 90.3108 90.3108