condition mean min max 12pM Fe,Midday 28.7924 28.7924 28.7924 12pM Fe,Midnight 13.28115 11.5237 15.0386 58pM Fe,Midday 18.7363 18.7363 18.7363 58pM Fe,Midnight 16.33852285714286 9.91656 45.8982 233pM Fe,Midnight 13.0821 12.4858 13.7344 1160pM Fe,Midday 17.249728571428573 15.5891 18.6954 1160pM Fe,Midnight 9.425865833333333 3.84068 17.7849 High carbon,Dark 17.392423333333333 7.7762 23.6651 High carbon,Light 13.530347692307693 1.63008 20.0669 Low carbon,Dark 7.13337 7.13337 7.13337 Phloroglucinol 6.165666666666667 4.65281 8.18077 Silicon starvation,12h 14.1781 14.1781 14.1781