condition mean min max 12pM Fe,Midday 4.26894 4.26894 4.26894 12pM Fe,Midnight 36.427800000000005 35.386 37.4696 58pM Fe,Midday 3.62626 3.62626 3.62626 58pM Fe,Midnight 38.1085 0.0 57.7782 233pM Fe,Midnight 40.06753333333333 39.4638 40.5413 1160pM Fe,Midday 0.4809097142857143 0.262372 1.01249 1160pM Fe,Midnight 24.140349999999998 12.2181 45.558 High carbon,Dark 18.727581999999998 5.36683 31.8173 High carbon,Light 4.513407 0.718611 14.2902 Low carbon,Dark 15.5386 15.5386 15.5386 Phloroglucinol 9.361923333333333 3.77847 14.8912 Silicon starvation,12h 31.6728 31.6728 31.6728