condition mean min max 12pM Fe,Midday 18.6293 18.6293 18.6293 12pM Fe,Midnight 22.0131 21.7669 22.2593 58pM Fe,Midday 11.4419 11.4419 11.4419 58pM Fe,Midnight 12.863271428571428 0.0 16.4632 233pM Fe,Midnight 14.4724 13.3222 15.0823 1160pM Fe,Midday 9.049318571428572 7.36401 10.2569 1160pM Fe,Midnight 19.693205833333334 7.46621 32.5093 High carbon,Dark 11.762865333333334 2.74445 21.1894 High carbon,Light 9.042513076923077 1.03222 26.5062 Low carbon,Dark 8.36928 8.36928 8.36928 Phloroglucinol 17.5831 15.0812 19.8144 Silicon starvation,12h 19.2038 19.2038 19.2038