condition mean min max 12pM Fe,Midday 26.9943 26.9943 26.9943 12pM Fe,Midnight 30.4235 22.7479 38.0991 58pM Fe,Midday 12.796 12.796 12.796 58pM Fe,Midnight 22.532185714285713 0.0 32.6196 233pM Fe,Midnight 13.666666666666666 12.5503 14.4096 1160pM Fe,Midday 12.369655714285715 7.97116 18.5101 1160pM Fe,Midnight 249.05275833333334 9.2816 438.498 High carbon,Dark 23.468834666666666 3.05602 53.4091 High carbon,Light 24.041874615384614 1.35241 63.0597 Low carbon,Dark 15.666 15.666 15.666 Phloroglucinol 110.80383333333333 42.8925 145.673 Silicon starvation,12h 46.6253 46.6253 46.6253