condition mean min max 12pM Fe,Midday 28.5864 28.5864 28.5864 12pM Fe,Midnight 20.32725 19.8402 20.8143 58pM Fe,Midday 26.0985 26.0985 26.0985 58pM Fe,Midnight 13.694614285714286 0.0 16.8155 233pM Fe,Midnight 34.22566666666667 31.8371 36.0581 1160pM Fe,Midday 26.326542857142858 25.0378 28.4891 1160pM Fe,Midnight 17.075266666666668 12.7134 22.7888 High carbon,Dark 29.630926666666667 16.3635 43.4463 High carbon,Light 22.051448461538463 6.15299 35.6713 Low carbon,Dark 25.9816 25.9816 25.9816 Phloroglucinol 5.670936666666666 4.13533 7.71611 Silicon starvation,12h 48.8288 48.8288 48.8288