condition mean min max 12pM Fe,Midday 16.4819 16.4819 16.4819 12pM Fe,Midnight 34.5503 26.4133 42.6873 58pM Fe,Midday 19.8438 19.8438 19.8438 58pM Fe,Midnight 19.137028571428573 0.0 26.7303 233pM Fe,Midnight 11.765033333333333 10.7782 13.6298 1160pM Fe,Midday 9.502842857142857 7.88804 12.7339 1160pM Fe,Midnight 9.824214166666668 4.06349 14.2017 High carbon,Dark 20.362532666666667 2.14121 50.09 High carbon,Light 14.748325384615384 1.27254 35.1363 Low carbon,Dark 37.759 37.759 37.759 Phloroglucinol 3.0368566666666665 2.70898 3.4976 Silicon starvation,12h 10.3001 10.3001 10.3001