condition mean min max 12pM Fe,Midday 27.7206 27.7206 27.7206 12pM Fe,Midnight 32.439899999999994 31.0248 33.855 58pM Fe,Midday 25.6965 25.6965 25.6965 58pM Fe,Midnight 27.18322857142857 0.0 35.8148 233pM Fe,Midnight 30.555233333333334 29.2535 31.8311 1160pM Fe,Midday 25.1467 21.28 30.5406 1160pM Fe,Midnight 16.48045833333333 12.9251 22.0357 High carbon,Dark 19.495851333333334 6.90412 39.8988 High carbon,Light 12.043838923076922 0.715237 25.2501 Low carbon,Dark 13.728 13.728 13.728 Phloroglucinol 22.372666666666667 15.468 35.7936 Silicon starvation,12h 27.7139 27.7139 27.7139