condition mean min max 12pM Fe,Midday 26.7662 26.7662 26.7662 12pM Fe,Midnight 21.2333 20.6791 21.7875 58pM Fe,Midday 16.1402 16.1402 16.1402 58pM Fe,Midnight 13.189657142857143 0.0 17.2345 233pM Fe,Midnight 10.559496666666666 9.91919 11.758 1160pM Fe,Midday 13.5369 12.5411 14.3713 1160pM Fe,Midnight 7.075450833333333 5.41776 9.69076 High carbon,Dark 10.274186 3.9804 20.6463 High carbon,Light 10.754343 0.895239 19.0101 Low carbon,Dark 4.72529 4.72529 4.72529 Phloroglucinol 13.7946 12.7139 15.174 Silicon starvation,12h 12.4841 12.4841 12.4841