condition mean min max 12pM Fe,Midday 29.3802 29.3802 29.3802 12pM Fe,Midnight 25.4144 25.1493 25.6795 58pM Fe,Midday 21.0228 21.0228 21.0228 58pM Fe,Midnight 15.350342857142858 0.0 18.9613 233pM Fe,Midnight 15.873866666666666 15.4512 16.1852 1160pM Fe,Midday 17.372942857142856 16.2737 18.1582 1160pM Fe,Midnight 6.997153333333333 5.44401 9.61216 High carbon,Dark 17.316110000000002 7.80529 26.1732 High carbon,Light 13.927518461538462 2.82697 34.3225 Low carbon,Dark 10.1688 10.1688 10.1688 Phloroglucinol 16.7469 13.8244 22.4014 Silicon starvation,12h 15.8715 15.8715 15.8715