condition mean min max 12pM Fe,Midday 1.84215 1.84215 1.84215 12pM Fe,Midnight 1.915765 0.0 3.83153 58pM Fe,Midday 0.81501 0.81501 0.81501 58pM Fe,Midnight 3.0398985714285716 0.0 6.84098 233pM Fe,Midnight 3.2643833333333334 2.86809 3.49923 1160pM Fe,Midday 1.2006257142857142 0.0 2.8305 1160pM Fe,Midnight 0.44429008333333336 0.0 1.61375 High carbon,Dark 39.739713333333334 8.87844 85.8005 High carbon,Light 43.71342307692308 11.9295 134.586 Low carbon,Dark 31.431 31.431 31.431 Phloroglucinol 3.28952 0.0 6.40554 Silicon starvation,12h 52.4063 52.4063 52.4063