condition mean min max 12pM Fe,Midday 76.5383 76.5383 76.5383 12pM Fe,Midnight 62.98415 60.113 65.8553 58pM Fe,Midday 63.4839 63.4839 63.4839 58pM Fe,Midnight 56.536257142857146 51.6287 61.2883 233pM Fe,Midnight 48.99883333333333 48.0027 50.0174 1160pM Fe,Midday 47.22654285714286 43.2211 54.4437 1160pM Fe,Midnight 32.22123333333333 21.1496 48.9258 High carbon,Dark 48.64744666666667 31.8824 65.055 High carbon,Light 38.23496923076923 15.6874 57.6785 Low carbon,Dark 38.94 38.94 38.94 Phloroglucinol 60.81973333333333 49.2154 76.0911 Silicon starvation,12h 108.25 108.25 108.25