condition mean min max 12pM Fe,Midday 40.7937 40.7937 40.7937 12pM Fe,Midnight 29.80685 28.5605 31.0532 58pM Fe,Midday 41.6836 41.6836 41.6836 58pM Fe,Midnight 25.410042857142855 22.3879 35.6305 233pM Fe,Midnight 27.687733333333334 26.2199 29.3376 1160pM Fe,Midday 33.52025714285714 30.1879 38.3696 1160pM Fe,Midnight 15.21445 12.7059 17.8663 High carbon,Dark 30.377973333333333 11.6362 45.4335 High carbon,Light 25.07788846153846 5.54665 57.6868 Low carbon,Dark 24.9192 24.9192 24.9192 Phloroglucinol 24.71 18.6301 31.8217 Silicon starvation,12h 42.828 42.828 42.828