condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.1602 0.159114 0.161286 58pM Fe,Midday 0.136938 0.136938 0.136938 58pM Fe,Midnight 0.08872728571428572 0.0 0.360946 233pM Fe,Midnight 0.25951219999999997 0.0959346 0.39254 1160pM Fe,Midday 0.03605257142857143 0.0 0.130668 1160pM Fe,Midnight 0.1018405 0.0 0.573952 High carbon,Dark 0.5580217333333333 0.0 2.5157 High carbon,Light 0.39476938461538463 0.0 1.31471 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.14058333333333334 0.0 0.42175 Silicon starvation,12h 0.176324 0.176324 0.176324