condition mean min max 12pM Fe,Midday 30.5758 30.5758 30.5758 12pM Fe,Midnight 29.09915 25.7428 32.4555 58pM Fe,Midday 22.0171 22.0171 22.0171 58pM Fe,Midnight 30.61337142857143 20.1641 74.9605 233pM Fe,Midnight 18.856166666666667 16.8624 20.8802 1160pM Fe,Midday 17.508514285714284 16.2623 18.9541 1160pM Fe,Midnight 12.412440833333333 9.44499 14.047 High carbon,Dark 15.917804666666667 6.03545 24.2507 High carbon,Light 22.399606153846154 2.48281 46.18 Low carbon,Dark 24.6709 24.6709 24.6709 Phloroglucinol 12.728666666666667 10.3985 16.9524 Silicon starvation,12h 47.6309 47.6309 47.6309