condition mean min max 12pM Fe,Midday 8.76722 8.76722 8.76722 12pM Fe,Midnight 17.12875 16.8152 17.4423 58pM Fe,Midday 10.1187 10.1187 10.1187 58pM Fe,Midnight 9.356378571428571 0.0 12.5827 233pM Fe,Midnight 9.83977 8.44751 12.051 1160pM Fe,Midday 3.6284385714285716 2.16611 5.47138 1160pM Fe,Midnight 5.586414166666667 3.15296 8.58076 High carbon,Dark 5.396764666666667 0.0 15.9 High carbon,Light 2.0709785384615387 0.0 7.48609 Low carbon,Dark 4.95527 4.95527 4.95527 Phloroglucinol 1.7332766666666666 1.1943 2.0776 Silicon starvation,12h 2.81946 2.81946 2.81946