condition mean min max 12pM Fe,Midday 50.6008 50.6008 50.6008 12pM Fe,Midnight 48.105850000000004 46.7644 49.4473 58pM Fe,Midday 39.9491 39.9491 39.9491 58pM Fe,Midnight 33.40587142857143 0.0 43.4765 233pM Fe,Midnight 45.5334 43.916 48.2677 1160pM Fe,Midday 41.31498571428572 37.5094 45.8545 1160pM Fe,Midnight 41.01974166666667 37.4733 45.24 High carbon,Dark 42.5635 29.3241 77.0878 High carbon,Light 35.1379 15.0677 63.2415 Low carbon,Dark 27.29 27.29 27.29 Phloroglucinol 38.53463333333333 31.1611 48.591 Silicon starvation,12h 83.2684 83.2684 83.2684