condition mean min max 12pM Fe,Midday 23.6634 23.6634 23.6634 12pM Fe,Midnight 12.932300000000001 11.8702 13.9944 58pM Fe,Midday 12.3167 12.3167 12.3167 58pM Fe,Midnight 8.572597142857143 0.0 11.619 233pM Fe,Midnight 8.00609 6.90298 9.53558 1160pM Fe,Midday 14.409128571428571 13.0222 18.1707 1160pM Fe,Midnight 5.086144166666667 2.26786 7.07239 High carbon,Dark 6.651666933333333 0.441234 13.4634 High carbon,Light 7.0766705384615385 0.0 16.0866 Low carbon,Dark 9.04755 9.04755 9.04755 Phloroglucinol 4.29379 2.79117 5.69007 Silicon starvation,12h 14.7309 14.7309 14.7309