condition mean min max 12pM Fe,Midday 12.9029 12.9029 12.9029 12pM Fe,Midnight 8.855335 8.66261 9.04806 58pM Fe,Midday 9.1048 9.1048 9.1048 58pM Fe,Midnight 5.568262857142857 0.0 8.40889 233pM Fe,Midnight 3.54243 3.0374 3.8264 1160pM Fe,Midday 6.530767142857143 5.40169 7.17099 1160pM Fe,Midnight 2.9054825 2.05625 3.86488 High carbon,Dark 7.092935333333333 1.03427 14.1519 High carbon,Light 6.290205461538462 0.384615 14.5168 Low carbon,Dark 6.36966 6.36966 6.36966 Phloroglucinol 6.483626666666667 6.03841 7.01038 Silicon starvation,12h 19.608 19.608 19.608