condition mean min max 12pM Fe,Midday 16.0212 16.0212 16.0212 12pM Fe,Midnight 25.18555 22.086 28.2851 58pM Fe,Midday 13.1872 13.1872 13.1872 58pM Fe,Midnight 43.545257142857146 19.8534 132.449 233pM Fe,Midnight 20.735566666666667 19.2589 21.4797 1160pM Fe,Midday 16.41392857142857 11.7062 19.0553 1160pM Fe,Midnight 26.892616666666665 11.3452 39.8272 High carbon,Dark 26.301552 5.85509 147.04 High carbon,Light 26.903336153846155 2.6133 91.339 Low carbon,Dark 13.9251 13.9251 13.9251 Phloroglucinol 21.5207 16.1095 28.4304 Silicon starvation,12h 23.7428 23.7428 23.7428