condition mean min max 12pM Fe,Midday 30.4328 30.4328 30.4328 12pM Fe,Midnight 30.5593 28.2753 32.8433 58pM Fe,Midday 36.3279 36.3279 36.3279 58pM Fe,Midnight 21.817700000000002 0.0 32.3817 233pM Fe,Midnight 10.11143 9.99829 10.1915 1160pM Fe,Midday 15.228214285714285 13.4547 17.0234 1160pM Fe,Midnight 12.537205 9.05419 16.5497 High carbon,Dark 28.848888666666667 2.73023 61.3929 High carbon,Light 19.64730923076923 7.65214 49.1977 Low carbon,Dark 20.9939 20.9939 20.9939 Phloroglucinol 8.7904 7.07896 11.7362 Silicon starvation,12h 36.2642 36.2642 36.2642