condition mean min max 12pM Fe,Midday 11.0275 11.0275 11.0275 12pM Fe,Midnight 14.1987 13.7908 14.6066 58pM Fe,Midday 14.3277 14.3277 14.3277 58pM Fe,Midnight 9.53503 0.0 12.3258 233pM Fe,Midnight 5.2089099999999995 4.95508 5.47983 1160pM Fe,Midday 6.43193 3.96788 7.89655 1160pM Fe,Midnight 2.6095860833333333 0.771574 5.81918 High carbon,Dark 9.005704666666666 2.94644 18.283 High carbon,Light 4.786477307692308 0.567254 10.0212 Low carbon,Dark 8.84621 8.84621 8.84621 Phloroglucinol 1.59349 1.48698 1.67676 Silicon starvation,12h 9.37173 9.37173 9.37173