condition mean min max 12pM Fe,Midday 11.0179 11.0179 11.0179 12pM Fe,Midnight 14.15455 13.9734 14.3357 58pM Fe,Midday 3.80456 3.80456 3.80456 58pM Fe,Midnight 26.25246 9.97952 95.53 233pM Fe,Midnight 7.89767 7.19635 8.32925 1160pM Fe,Midday 4.39633 1.9634 7.81904 1160pM Fe,Midnight 15.045245833333334 7.47669 20.0895 High carbon,Dark 13.288561999999999 1.70368 28.7111 High carbon,Light 4.85723 1.31758 9.25323 Low carbon,Dark 6.11347 6.11347 6.11347 Phloroglucinol 18.745013333333333 4.71501 43.0252 Silicon starvation,12h 13.608 13.608 13.608