condition mean min max 12pM Fe,Midday 73.0267 73.0267 73.0267 12pM Fe,Midnight 49.792500000000004 43.3971 56.1879 58pM Fe,Midday 61.7327 61.7327 61.7327 58pM Fe,Midnight 45.88084285714286 0.0 57.2495 233pM Fe,Midnight 25.8189 23.1455 27.8889 1160pM Fe,Midday 73.56868571428572 63.3104 89.7299 1160pM Fe,Midnight 86.33440833333333 11.2476 150.753 High carbon,Dark 34.051855333333336 7.96943 64.6563 High carbon,Light 82.45458384615385 6.14169 156.757 Low carbon,Dark 21.1903 21.1903 21.1903 Phloroglucinol 72.75056666666667 62.6357 86.5668 Silicon starvation,12h 81.9869 81.9869 81.9869