condition mean min max 12pM Fe,Midday 45.3817 45.3817 45.3817 12pM Fe,Midnight 21.740650000000002 21.0255 22.4558 58pM Fe,Midday 27.5262 27.5262 27.5262 58pM Fe,Midnight 12.28732857142857 0.0 15.7535 233pM Fe,Midnight 9.23747 7.06558 10.8914 1160pM Fe,Midday 27.021671428571427 22.877 30.901 1160pM Fe,Midnight 3.5355 1.06134 6.06888 High carbon,Dark 6.772482 1.27807 22.1241 High carbon,Light 8.588903230769231 0.0 17.0643 Low carbon,Dark 17.8412 17.8412 17.8412 Phloroglucinol 14.4043 9.632 19.6981 Silicon starvation,12h 40.1888 40.1888 40.1888