condition mean min max 12pM Fe,Midday 27.8961 27.8961 27.8961 12pM Fe,Midnight 16.2198 14.689 17.7506 58pM Fe,Midday 20.8302 20.8302 20.8302 58pM Fe,Midnight 21.882771428571427 14.6674 41.8426 233pM Fe,Midnight 14.469566666666667 13.7132 15.5403 1160pM Fe,Midday 19.332042857142856 16.3675 21.1172 1160pM Fe,Midnight 10.332978333333333 8.23132 11.5791 High carbon,Dark 15.362715333333332 1.30588 28.9361 High carbon,Light 14.30840846153846 1.2473 33.3037 Low carbon,Dark 19.5092 19.5092 19.5092 Phloroglucinol 4.695406666666667 3.64636 6.01444 Silicon starvation,12h 33.5522 33.5522 33.5522