condition mean min max 12pM Fe,Midday 44.4737 44.4737 44.4737 12pM Fe,Midnight 45.46575 44.0264 46.9051 58pM Fe,Midday 31.2296 31.2296 31.2296 58pM Fe,Midnight 35.38352857142857 0.0 46.4594 233pM Fe,Midnight 22.902033333333332 22.4862 23.534 1160pM Fe,Midday 21.136457142857143 18.8839 24.4853 1160pM Fe,Midnight 27.64623333333333 19.9602 44.1973 High carbon,Dark 92.451942 8.05173 479.912 High carbon,Light 85.38717838461538 0.603642 331.05 Low carbon,Dark 12.1654 12.1654 12.1654 Phloroglucinol 80.99213333333333 73.1085 92.071 Silicon starvation,12h 11.8661 11.8661 11.8661