condition mean min max 12pM Fe,Midday 25.3084 25.3084 25.3084 12pM Fe,Midnight 16.014 15.5782 16.4498 58pM Fe,Midday 19.3709 19.3709 19.3709 58pM Fe,Midnight 10.556585714285715 0.0 13.6132 233pM Fe,Midnight 12.400666666666666 10.7965 13.5409 1160pM Fe,Midday 15.486128571428571 14.031 17.2018 1160pM Fe,Midnight 10.78622 6.33024 16.5652 High carbon,Dark 16.415343333333333 5.96574 52.9481 High carbon,Light 17.362736153846154 2.83089 32.0822 Low carbon,Dark 10.2813 10.2813 10.2813 Phloroglucinol 24.127566666666667 21.8406 27.0709 Silicon starvation,12h 39.8872 39.8872 39.8872