condition mean min max 12pM Fe,Midday 64.0358 64.0358 64.0358 12pM Fe,Midnight 34.11045 30.8254 37.3955 58pM Fe,Midday 37.484 37.484 37.484 58pM Fe,Midnight 48.306957142857144 23.3785 175.107 233pM Fe,Midnight 17.97563333333333 16.1836 19.3374 1160pM Fe,Midday 38.12614285714286 31.0314 44.3929 1160pM Fe,Midnight 11.862531666666667 6.56625 19.8407 High carbon,Dark 11.803258 3.22212 23.0138 High carbon,Light 13.199951538461539 1.73994 29.4268 Low carbon,Dark 24.0129 24.0129 24.0129 Phloroglucinol 28.729666666666667 26.7822 32.5529 Silicon starvation,12h 28.587 28.587 28.587