condition mean min max 12pM Fe,Midday 41.077 41.077 41.077 12pM Fe,Midnight 30.0831 29.8059 30.3603 58pM Fe,Midday 35.273 35.273 35.273 58pM Fe,Midnight 30.730442857142858 23.2147 66.3743 233pM Fe,Midnight 18.5627 18.2559 18.7975 1160pM Fe,Midday 26.678614285714286 24.555 28.2307 1160pM Fe,Midnight 22.006841666666666 13.1519 27.1285 High carbon,Dark 28.44748 12.2811 46.4688 High carbon,Light 24.406123076923077 12.9651 31.7358 Low carbon,Dark 22.6035 22.6035 22.6035 Phloroglucinol 21.4458 18.769 26.2049 Silicon starvation,12h 30.2237 30.2237 30.2237