condition mean min max 12pM Fe,Midday 14.3116 14.3116 14.3116 12pM Fe,Midnight 18.4942 16.0585 20.9299 58pM Fe,Midday 17.4124 17.4124 17.4124 58pM Fe,Midnight 11.522707142857143 0.0 18.0423 233pM Fe,Midnight 14.256733333333333 13.3095 15.8759 1160pM Fe,Midday 11.637962857142858 9.24454 12.9646 1160pM Fe,Midnight 4.1183025 1.53798 7.71496 High carbon,Dark 11.853030933333333 0.780914 22.5826 High carbon,Light 10.055986076923077 0.526589 22.2788 Low carbon,Dark 16.7151 16.7151 16.7151 Phloroglucinol 17.061566666666668 11.3101 21.9386 Silicon starvation,12h 61.5803 61.5803 61.5803