condition mean min max 12pM Fe,Midday 8.05996 8.05996 8.05996 12pM Fe,Midnight 15.24315 12.4178 18.0685 58pM Fe,Midday 6.33941 6.33941 6.33941 58pM Fe,Midnight 9.735202857142857 0.0 14.404 233pM Fe,Midnight 11.39749 9.29537 13.6091 1160pM Fe,Midday 4.337224285714286 2.6657 5.50412 1160pM Fe,Midnight 4.1696175 2.82866 7.36206 High carbon,Dark 9.725132666666667 3.20406 19.7344 High carbon,Light 4.014180538461538 0.552751 12.2462 Low carbon,Dark 6.30603 6.30603 6.30603 Phloroglucinol 11.390273333333333 4.86352 16.4738 Silicon starvation,12h 20.7213 20.7213 20.7213