condition mean min max 12pM Fe,Midday 26.7859 26.7859 26.7859 12pM Fe,Midnight 34.336 34.3229 34.3491 58pM Fe,Midday 18.6225 18.6225 18.6225 58pM Fe,Midnight 17.78824285714286 0.0 29.3107 233pM Fe,Midnight 16.638333333333335 15.4459 18.3835 1160pM Fe,Midday 15.017728571428572 10.6567 22.0589 1160pM Fe,Midnight 6.523472916666666 0.80847 17.2644 High carbon,Dark 15.711608666666667 2.01928 33.6029 High carbon,Light 10.622908461538461 1.68956 20.9676 Low carbon,Dark 10.8815 10.8815 10.8815 Phloroglucinol 4.8088 2.69754 7.49522 Silicon starvation,12h 37.8287 37.8287 37.8287