condition mean min max 12pM Fe,Midday 184.917 184.917 184.917 12pM Fe,Midnight 262.3445 228.085 296.604 58pM Fe,Midday 127.913 127.913 127.913 58pM Fe,Midnight 152.96042857142857 0.0 196.355 233pM Fe,Midnight 121.78266666666667 115.62 125.461 1160pM Fe,Midday 96.29381428571429 76.7142 121.919 1160pM Fe,Midnight 235.19423333333333 63.0751 352.581 High carbon,Dark 243.398 108.846 511.21 High carbon,Light 93.68837692307692 29.6015 217.381 Low carbon,Dark 120.408 120.408 120.408 Phloroglucinol 664.3506666666667 612.567 696.849 Silicon starvation,12h 150.007 150.007 150.007