condition mean min max 12pM Fe,Midday 24.8546 24.8546 24.8546 12pM Fe,Midnight 29.03485 28.4861 29.5836 58pM Fe,Midday 19.673 19.673 19.673 58pM Fe,Midnight 20.62107142857143 0.0 26.8637 233pM Fe,Midnight 22.240833333333335 21.7869 22.7455 1160pM Fe,Midday 21.981914285714286 19.7474 25.3478 1160pM Fe,Midnight 24.491433333333333 20.0601 28.7965 High carbon,Dark 17.048406666666665 10.6566 24.6357 High carbon,Light 15.427818461538461 2.04292 25.7333 Low carbon,Dark 11.2013 11.2013 11.2013 Phloroglucinol 6.9665300000000006 5.75473 8.69984 Silicon starvation,12h 23.8085 23.8085 23.8085