condition mean min max 12pM Fe,Midday 9.03032 9.03032 9.03032 12pM Fe,Midnight 5.532325 4.69559 6.36906 58pM Fe,Midday 5.24373 5.24373 5.24373 58pM Fe,Midnight 4.044681428571429 0.0 6.25023 233pM Fe,Midnight 3.5271966666666668 2.79893 4.74508 1160pM Fe,Midday 5.841632857142857 5.20321 6.67152 1160pM Fe,Midnight 5.4799999999999995 1.62266 10.2094 High carbon,Dark 4.042874266666667 0.492741 11.5408 High carbon,Light 4.326422 0.332267 13.0858 Low carbon,Dark 5.50272 5.50272 5.50272 Phloroglucinol 6.97562 3.84523 11.9535 Silicon starvation,12h 16.859 16.859 16.859