condition mean min max 12pM Fe,Midday 9.39198 9.39198 9.39198 12pM Fe,Midnight 27.4946 26.1525 28.8367 58pM Fe,Midday 10.2891 10.2891 10.2891 58pM Fe,Midnight 19.02647142857143 0.0 24.1965 233pM Fe,Midnight 20.605333333333334 18.8524 21.725 1160pM Fe,Midday 4.37138 2.74875 6.44012 1160pM Fe,Midnight 10.337765833333334 7.44392 16.8993 High carbon,Dark 19.5228428 0.708842 35.3467 High carbon,Light 7.957317692307692 3.56457 17.0367 Low carbon,Dark 22.529 22.529 22.529 Phloroglucinol 3.31659 1.6815 4.87525 Silicon starvation,12h 13.4866 13.4866 13.4866