condition mean min max 12pM Fe,Midday 46.9737 46.9737 46.9737 12pM Fe,Midnight 42.782250000000005 40.8252 44.7393 58pM Fe,Midday 45.9373 45.9373 45.9373 58pM Fe,Midnight 38.63241428571428 18.4923 49.2012 233pM Fe,Midnight 32.5165 31.2249 33.4329 1160pM Fe,Midday 34.11111428571429 32.1947 36.3621 1160pM Fe,Midnight 20.211991666666666 12.8571 26.3253 High carbon,Dark 35.8884 13.9337 54.5723 High carbon,Light 27.155256923076923 5.14395 44.212 Low carbon,Dark 25.8661 25.8661 25.8661 Phloroglucinol 26.608333333333334 14.8316 45.2936 Silicon starvation,12h 31.4918 31.4918 31.4918