condition mean min max 12pM Fe,Midday 31.3759 31.3759 31.3759 12pM Fe,Midnight 26.572400000000002 24.9658 28.179 58pM Fe,Midday 22.4277 22.4277 22.4277 58pM Fe,Midnight 22.371914285714286 18.2826 39.6929 233pM Fe,Midnight 11.165633333333334 10.6392 12.1821 1160pM Fe,Midday 18.7285 16.4358 22.3891 1160pM Fe,Midnight 8.005460833333334 5.37712 12.1086 High carbon,Dark 13.910504666666666 5.2953 28.9205 High carbon,Light 10.93101346153846 0.788815 30.4804 Low carbon,Dark 15.7853 15.7853 15.7853 Phloroglucinol 18.352733333333333 15.8231 21.8131 Silicon starvation,12h 8.83067 8.83067 8.83067