condition mean min max 12pM Fe,Midday 26.7247 26.7247 26.7247 12pM Fe,Midnight 28.532899999999998 27.6356 29.4302 58pM Fe,Midday 21.7768 21.7768 21.7768 58pM Fe,Midnight 23.679585714285714 0.0 33.5175 233pM Fe,Midnight 29.717833333333335 27.0553 32.2907 1160pM Fe,Midday 15.304742857142857 12.6248 21.9836 1160pM Fe,Midnight 16.461111666666667 3.39166 43.1433 High carbon,Dark 19.208648666666665 7.65773 32.7414 High carbon,Light 8.085188461538461 1.6362 14.0654 Low carbon,Dark 14.2302 14.2302 14.2302 Phloroglucinol 8.766163333333333 6.68198 11.0068 Silicon starvation,12h 25.8579 25.8579 25.8579