condition mean min max 12pM Fe,Midday 45.3509 45.3509 45.3509 12pM Fe,Midnight 41.595349999999996 40.8919 42.2988 58pM Fe,Midday 41.7182 41.7182 41.7182 58pM Fe,Midnight 34.911928571428575 31.173 38.4883 233pM Fe,Midnight 26.127733333333335 25.8824 26.474 1160pM Fe,Midday 34.879957142857144 33.7975 35.7166 1160pM Fe,Midnight 22.11355 19.9234 24.7247 High carbon,Dark 24.632493333333333 11.0336 43.0112 High carbon,Light 18.181875384615385 3.67305 36.3347 Low carbon,Dark 21.5903 21.5903 21.5903 Phloroglucinol 21.491333333333333 19.0091 24.2932 Silicon starvation,12h 16.1029 16.1029 16.1029