condition mean min max 12pM Fe,Midday 53.7823 53.7823 53.7823 12pM Fe,Midnight 59.9602 59.3602 60.5602 58pM Fe,Midday 52.512 52.512 52.512 58pM Fe,Midnight 46.44454285714286 0.0 63.4392 233pM Fe,Midnight 80.52499999999999 77.032 83.2336 1160pM Fe,Midday 37.32901428571429 31.4529 45.7233 1160pM Fe,Midnight 56.807341666666666 34.5889 75.5638 High carbon,Dark 85.31091333333333 49.9691 127.553 High carbon,Light 76.03612307692308 17.5995 123.125 Low carbon,Dark 98.2431 98.2431 98.2431 Phloroglucinol 46.54473333333333 39.3957 50.2034 Silicon starvation,12h 116.493 116.493 116.493