condition mean min max 12pM Fe,Midday 76.1672 76.1672 76.1672 12pM Fe,Midnight 63.88705 61.8346 65.9395 58pM Fe,Midday 51.0134 51.0134 51.0134 58pM Fe,Midnight 39.60427142857143 0.0 50.2476 233pM Fe,Midnight 40.56603333333333 40.0308 40.8885 1160pM Fe,Midday 40.38565714285714 36.814 45.3732 1160pM Fe,Midnight 30.424825 25.4279 35.8968 High carbon,Dark 38.04343333333333 13.6674 62.4842 High carbon,Light 37.33985538461538 4.07642 57.5669 Low carbon,Dark 36.4458 36.4458 36.4458 Phloroglucinol 55.0087 48.0593 59.9946 Silicon starvation,12h 60.8085 60.8085 60.8085