condition mean min max 12pM Fe,Midday 43.1739 43.1739 43.1739 12pM Fe,Midnight 41.0818 40.3692 41.7944 58pM Fe,Midday 33.3278 33.3278 33.3278 58pM Fe,Midnight 31.61037142857143 25.372 45.5422 233pM Fe,Midnight 29.631966666666667 28.7158 30.6372 1160pM Fe,Midday 30.306185714285714 28.6649 32.2012 1160pM Fe,Midnight 24.551975 21.0379 27.3484 High carbon,Dark 35.31829333333334 20.2815 54.8297 High carbon,Light 38.46318461538461 11.0115 76.8416 Low carbon,Dark 28.104 28.104 28.104 Phloroglucinol 32.27876666666667 27.6961 40.0629 Silicon starvation,12h 46.4322 46.4322 46.4322