condition mean min max 12pM Fe,Midday 1.36973 1.36973 1.36973 12pM Fe,Midnight 46.599549999999994 45.2664 47.9327 58pM Fe,Midday 0.269334 0.269334 0.269334 58pM Fe,Midnight 39.63341428571429 31.5244 54.1024 233pM Fe,Midnight 67.51756666666667 65.4319 69.9482 1160pM Fe,Midday 3.9549785714285712 1.70453 5.91423 1160pM Fe,Midnight 36.750524999999996 21.5118 64.7589 High carbon,Dark 31.415177333333332 1.92972 97.1818 High carbon,Light 28.89509153846154 1.12723 124.939 Low carbon,Dark 16.8169 16.8169 16.8169 Phloroglucinol 2.8203233333333335 1.55533 4.42608 Silicon starvation,12h 28.8354 28.8354 28.8354