condition mean min max 12pM Fe,Midday 26.4792 26.4792 26.4792 12pM Fe,Midnight 54.688599999999994 53.1076 56.2696 58pM Fe,Midday 38.4921 38.4921 38.4921 58pM Fe,Midnight 35.095371428571426 0.0 52.0711 233pM Fe,Midnight 71.33666666666667 66.8298 78.9184 1160pM Fe,Midday 91.49654285714286 78.306 110.9 1160pM Fe,Midnight 27.841258333333332 12.1647 50.2994 High carbon,Dark 30.441358 0.0 70.5886 High carbon,Light 43.76040384615385 0.0 119.394 Low carbon,Dark 33.8074 33.8074 33.8074 Phloroglucinol 5.552 0.0 9.48144 Silicon starvation,12h 67.7962 67.7962 67.7962