condition mean min max 12pM Fe,Midday 28.4935 28.4935 28.4935 12pM Fe,Midnight 55.0766 47.024 63.1292 58pM Fe,Midday 19.7314 19.7314 19.7314 58pM Fe,Midnight 79.95918571428571 0.0 136.426 233pM Fe,Midnight 56.52396666666667 53.34 58.6352 1160pM Fe,Midday 16.79396285714286 9.51754 27.656 1160pM Fe,Midnight 148.36791666666667 102.4 181.406 High carbon,Dark 40.08962 12.4817 64.829 High carbon,Light 22.489025384615385 4.93693 42.5183 Low carbon,Dark 28.1831 28.1831 28.1831 Phloroglucinol 41.3703 24.8414 62.458 Silicon starvation,12h 71.1914 71.1914 71.1914