condition mean min max 12pM Fe,Midday 41.2418 41.2418 41.2418 12pM Fe,Midnight 18.177599999999998 17.6426 18.7126 58pM Fe,Midday 25.2208 25.2208 25.2208 58pM Fe,Midnight 9.312604285714286 0.0 11.5686 233pM Fe,Midnight 8.102363333333333 7.33832 8.97334 1160pM Fe,Midday 25.15592857142857 22.3182 28.5347 1160pM Fe,Midnight 10.938941666666667 4.46362 16.1579 High carbon,Dark 14.590702 3.2809 24.0354 High carbon,Light 17.97539846153846 2.06236 32.9975 Low carbon,Dark 11.1263 11.1263 11.1263 Phloroglucinol 47.94786666666667 40.1679 60.9696 Silicon starvation,12h 39.6826 39.6826 39.6826