condition mean min max 12pM Fe,Midday 28.3431 28.3431 28.3431 12pM Fe,Midnight 23.1267 17.7464 28.507 58pM Fe,Midday 63.3458 63.3458 63.3458 58pM Fe,Midnight 25.853885714285713 0.0 52.5998 233pM Fe,Midnight 10.062656666666667 9.35227 10.6073 1160pM Fe,Midday 14.895014285714286 10.9583 18.9484 1160pM Fe,Midnight 13.847741666666666 10.9385 16.511 High carbon,Dark 11.353376 1.05451 16.3257 High carbon,Light 11.65371923076923 5.66704 19.2287 Low carbon,Dark 10.5952 10.5952 10.5952 Phloroglucinol 13.463933333333333 10.2561 17.769 Silicon starvation,12h 20.7447 20.7447 20.7447