condition mean min max 12pM Fe,Midday 49.9278 49.9278 49.9278 12pM Fe,Midnight 26.743049999999997 25.6698 27.8163 58pM Fe,Midday 34.0853 34.0853 34.0853 58pM Fe,Midnight 15.3585 0.0 21.6222 233pM Fe,Midnight 17.233666666666664 15.533 18.2339 1160pM Fe,Midday 27.891142857142857 21.8058 32.334 1160pM Fe,Midnight 13.218716666666667 9.49 16.0779 High carbon,Dark 28.115952 7.10482 45.8846 High carbon,Light 36.13314 3.08243 65.401 Low carbon,Dark 32.5131 32.5131 32.5131 Phloroglucinol 77.6176 71.761 86.9448 Silicon starvation,12h 45.2178 45.2178 45.2178