condition mean min max 12pM Fe,Midday 40.6833 40.6833 40.6833 12pM Fe,Midnight 44.39265 41.8113 46.974 58pM Fe,Midday 35.1515 35.1515 35.1515 58pM Fe,Midnight 31.723857142857142 0.0 40.311 233pM Fe,Midnight 35.29696666666667 33.0332 36.7907 1160pM Fe,Midday 33.64958571428571 30.6127 36.7827 1160pM Fe,Midnight 27.360458333333334 23.0562 32.1253 High carbon,Dark 42.3337 15.1543 137.305 High carbon,Light 29.985546153846155 4.13269 77.4411 Low carbon,Dark 25.925 25.925 25.925 Phloroglucinol 26.136666666666667 23.1991 30.2176 Silicon starvation,12h 36.9453 36.9453 36.9453