condition mean min max 12pM Fe,Midday 18.9177 18.9177 18.9177 12pM Fe,Midnight 17.56785 16.9412 18.1945 58pM Fe,Midday 14.8793 14.8793 14.8793 58pM Fe,Midnight 11.16917142857143 0.0 13.7672 233pM Fe,Midnight 8.895036666666668 8.31826 9.40872 1160pM Fe,Midday 10.41259 8.88463 11.9796 1160pM Fe,Midnight 4.89563 3.33076 8.19927 High carbon,Dark 10.922246 3.44082 18.17 High carbon,Light 9.65081 1.54682 19.3334 Low carbon,Dark 8.96599 8.96599 8.96599 Phloroglucinol 13.372786666666666 9.05316 17.8114 Silicon starvation,12h 27.8059 27.8059 27.8059