condition mean min max 12pM Fe,Midday 33.4772 33.4772 33.4772 12pM Fe,Midnight 27.94235 26.9706 28.9141 58pM Fe,Midday 22.4259 22.4259 22.4259 58pM Fe,Midnight 17.98165714285714 0.0 23.1896 233pM Fe,Midnight 22.538233333333334 21.3197 24.7387 1160pM Fe,Midday 19.230114285714286 16.4289 21.6817 1160pM Fe,Midnight 18.259216666666667 15.8141 20.3916 High carbon,Dark 28.56596 17.5938 40.1089 High carbon,Light 28.234107692307692 16.397 44.0937 Low carbon,Dark 24.2799 24.2799 24.2799 Phloroglucinol 41.2366 31.8072 55.2805 Silicon starvation,12h 56.9273 56.9273 56.9273