condition mean min max 12pM Fe,Midday 16.9468 16.9468 16.9468 12pM Fe,Midnight 7.020485 6.04618 7.99479 58pM Fe,Midday 9.1942 9.1942 9.1942 58pM Fe,Midnight 4.882388571428571 0.0 7.03081 233pM Fe,Midnight 3.655266666666667 2.89798 4.52416 1160pM Fe,Midday 7.9847657142857145 6.35665 9.92206 1160pM Fe,Midnight 2.389390833333333 1.28251 3.77906 High carbon,Dark 5.3444080000000005 1.37239 10.2249 High carbon,Light 3.8941373846153846 0.837806 8.0866 Low carbon,Dark 3.61812 3.61812 3.61812 Phloroglucinol 5.973846666666667 2.63544 9.18611 Silicon starvation,12h 6.19352 6.19352 6.19352