condition mean min max 12pM Fe,Midday 12.6968 12.6968 12.6968 12pM Fe,Midnight 35.5796 33.1991 37.9601 58pM Fe,Midday 10.5927 10.5927 10.5927 58pM Fe,Midnight 25.548142857142857 0.0 37.3718 233pM Fe,Midnight 28.2058 27.3363 29.1714 1160pM Fe,Midday 9.719235714285714 5.39892 14.8179 1160pM Fe,Midnight 18.789033333333332 10.0649 34.6563 High carbon,Dark 26.077713333333335 10.9007 43.1221 High carbon,Light 17.334544615384615 2.94839 39.0328 Low carbon,Dark 11.2001 11.2001 11.2001 Phloroglucinol 15.165066666666666 10.7794 19.0308 Silicon starvation,12h 8.0497 8.0497 8.0497