condition mean min max 12pM Fe,Midday 64.9137 64.9137 64.9137 12pM Fe,Midnight 70.63445 70.3601 70.9088 58pM Fe,Midday 36.4048 36.4048 36.4048 58pM Fe,Midnight 59.748514285714286 51.0838 66.5352 233pM Fe,Midnight 6.14108 4.19401 7.62975 1160pM Fe,Midday 2.6486485714285717 1.6983 3.61407 1160pM Fe,Midnight 5.961471666666666 3.24522 9.14732 High carbon,Dark 11.217833866666666 0.579628 26.7285 High carbon,Light 2.967611153846154 0.821255 7.88761 Low carbon,Dark 7.1312 7.1312 7.1312 Phloroglucinol 9.207443333333334 7.677 12.0842 Silicon starvation,12h 2.49694 2.49694 2.49694