condition mean min max 12pM Fe,Midday 19.7434 19.7434 19.7434 12pM Fe,Midnight 19.0275 16.0198 22.0352 58pM Fe,Midday 16.318 16.318 16.318 58pM Fe,Midnight 11.139228571428571 0.0 14.2831 233pM Fe,Midnight 14.0626 13.7819 14.2563 1160pM Fe,Midday 13.99322857142857 11.578 17.6129 1160pM Fe,Midnight 10.362185 3.77511 16.9195 High carbon,Dark 14.046364666666667 4.16715 24.2919 High carbon,Light 12.478715 0.255455 29.0837 Low carbon,Dark 10.224 10.224 10.224 Phloroglucinol 20.576133333333335 15.3627 25.3759 Silicon starvation,12h 24.8122 24.8122 24.8122