condition mean min max 12pM Fe,Midday 33.7299 33.7299 33.7299 12pM Fe,Midnight 28.49975 27.768 29.2315 58pM Fe,Midday 24.3188 24.3188 24.3188 58pM Fe,Midnight 19.513085714285715 0.0 27.1941 233pM Fe,Midnight 18.5716 18.0696 19.3203 1160pM Fe,Midday 18.07774285714286 16.1568 21.1145 1160pM Fe,Midnight 28.937534166666666 7.04538 43.0047 High carbon,Dark 22.19846 10.0564 42.2398 High carbon,Light 18.204313846153845 4.65788 33.3713 Low carbon,Dark 15.225 15.225 15.225 Phloroglucinol 70.2111 37.3143 100.832 Silicon starvation,12h 35.3025 35.3025 35.3025