condition mean min max 12pM Fe,Midday 24.9227 24.9227 24.9227 12pM Fe,Midnight 26.78575 26.2089 27.3626 58pM Fe,Midday 21.1928 21.1928 21.1928 58pM Fe,Midnight 23.5502 0.0 30.5186 233pM Fe,Midnight 23.8274 23.3851 24.5571 1160pM Fe,Midday 18.954914285714285 16.6469 26.5732 1160pM Fe,Midnight 18.294308333333333 11.2508 30.0165 High carbon,Dark 17.35608 10.0593 27.5857 High carbon,Light 10.661684615384615 4.33222 19.7809 Low carbon,Dark 12.5218 12.5218 12.5218 Phloroglucinol 11.207083333333333 7.56935 17.4055 Silicon starvation,12h 16.9847 16.9847 16.9847