condition mean min max 12pM Fe,Midday 44.1846 44.1846 44.1846 12pM Fe,Midnight 40.14515 39.5521 40.7382 58pM Fe,Midday 31.6732 31.6732 31.6732 58pM Fe,Midnight 19.764842857142856 0.0 26.9587 233pM Fe,Midnight 14.336 14.1654 14.5617 1160pM Fe,Midday 17.635714285714286 11.0543 23.1218 1160pM Fe,Midnight 8.557395833333333 5.2892 12.426 High carbon,Dark 14.883126666666668 3.65852 48.7549 High carbon,Light 8.465166076923078 0.757619 25.6319 Low carbon,Dark 7.27072 7.27072 7.27072 Phloroglucinol 18.635766666666665 16.6192 21.3787 Silicon starvation,12h 10.5014 10.5014 10.5014