condition mean min max 12pM Fe,Midday 36.0988 36.0988 36.0988 12pM Fe,Midnight 42.3662 41.8074 42.925 58pM Fe,Midday 34.1198 34.1198 34.1198 58pM Fe,Midnight 23.088242857142856 0.0 33.6072 233pM Fe,Midnight 21.885 21.4594 22.3775 1160pM Fe,Midday 38.05815714285714 34.1941 46.6216 1160pM Fe,Midnight 15.366941666666667 7.40309 22.7137 High carbon,Dark 25.185112666666665 2.93529 39.4451 High carbon,Light 29.17389846153846 2.34355 69.3344 Low carbon,Dark 21.3306 21.3306 21.3306 Phloroglucinol 58.935833333333335 48.8396 77.1362 Silicon starvation,12h 55.549 55.549 55.549