condition mean min max 12pM Fe,Midday 16.0726 16.0726 16.0726 12pM Fe,Midnight 0.538286 0.434154 0.642418 58pM Fe,Midday 11.8207 11.8207 11.8207 58pM Fe,Midnight 0.074833 0.0 0.185377 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 18.4934 15.8759 24.2034 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 1.8910514 0.0 6.41555 High carbon,Light 1.5147650000000001 0.0 5.45828 Low carbon,Dark 2.03513 2.03513 2.03513 Phloroglucinol 0.317 0.131967 0.426635 Silicon starvation,12h 14.1329 14.1329 14.1329