condition mean min max 12pM Fe,Midday 49.0542 49.0542 49.0542 12pM Fe,Midnight 29.3385 26.793 31.884 58pM Fe,Midday 29.5398 29.5398 29.5398 58pM Fe,Midnight 26.264157142857144 0.0 38.623 233pM Fe,Midnight 23.788333333333334 21.4257 27.5929 1160pM Fe,Midday 25.279657142857143 23.205 27.7902 1160pM Fe,Midnight 14.479275 9.67521 22.063 High carbon,Dark 22.021206666666668 7.55881 42.3105 High carbon,Light 19.318265384615383 8.28931 35.6994 Low carbon,Dark 18.8207 18.8207 18.8207 Phloroglucinol 13.508933333333333 11.6693 14.9322 Silicon starvation,12h 32.9497 32.9497 32.9497