condition mean min max 12pM Fe,Midday 27.0626 27.0626 27.0626 12pM Fe,Midnight 28.695 26.8129 30.5771 58pM Fe,Midday 20.8721 20.8721 20.8721 58pM Fe,Midnight 18.620485714285714 0.0 26.2993 233pM Fe,Midnight 21.7963 21.1811 22.5569 1160pM Fe,Midday 12.214527142857143 9.50029 14.0949 1160pM Fe,Midnight 15.233149999999998 10.1436 20.1771 High carbon,Dark 29.265573333333332 18.4951 41.5451 High carbon,Light 18.801125384615386 1.02603 30.1359 Low carbon,Dark 21.0965 21.0965 21.0965 Phloroglucinol 26.653166666666667 15.2598 39.4917 Silicon starvation,12h 68.7699 68.7699 68.7699