condition mean min max 12pM Fe,Midday 23.5279 23.5279 23.5279 12pM Fe,Midnight 27.0141 25.18 28.8482 58pM Fe,Midday 18.1199 18.1199 18.1199 58pM Fe,Midnight 28.705214285714284 22.1848 51.6287 233pM Fe,Midnight 18.403266666666667 17.916 18.9939 1160pM Fe,Midday 16.096071428571427 13.2049 18.3573 1160pM Fe,Midnight 13.919691666666667 10.6476 17.5731 High carbon,Dark 21.26592 9.5034 33.1442 High carbon,Light 15.683886153846155 3.07804 33.8586 Low carbon,Dark 16.756 16.756 16.756 Phloroglucinol 17.17073333333333 12.559 21.9665 Silicon starvation,12h 28.9218 28.9218 28.9218