condition mean min max 12pM Fe,Midday 34.6542 34.6542 34.6542 12pM Fe,Midnight 34.04085 33.111 34.9707 58pM Fe,Midday 31.5247 31.5247 31.5247 58pM Fe,Midnight 32.780385714285714 27.1258 57.6557 233pM Fe,Midnight 21.809466666666665 21.1207 22.4906 1160pM Fe,Midday 25.765914285714285 23.8277 27.8042 1160pM Fe,Midnight 13.8185 10.6559 18.497 High carbon,Dark 20.091264 7.79741 32.5652 High carbon,Light 16.976956153846153 3.69198 32.9631 Low carbon,Dark 16.4279 16.4279 16.4279 Phloroglucinol 26.076066666666666 20.0975 34.5861 Silicon starvation,12h 35.0356 35.0356 35.0356