condition mean min max 12pM Fe,Midday 21.2503 21.2503 21.2503 12pM Fe,Midnight 20.3265 18.5535 22.0995 58pM Fe,Midday 23.204 23.204 23.204 58pM Fe,Midnight 23.162114285714285 0.0 31.1009 233pM Fe,Midnight 16.103166666666667 14.8866 18.2179 1160pM Fe,Midday 15.499042857142857 13.2135 17.5746 1160pM Fe,Midnight 23.51585 11.3742 36.7735 High carbon,Dark 42.324463333333334 8.13321 161.288 High carbon,Light 39.46532538461538 5.07399 141.486 Low carbon,Dark 7.347 7.347 7.347 Phloroglucinol 21.520833333333336 14.1698 27.7272 Silicon starvation,12h 47.334 47.334 47.334