condition mean min max 12pM Fe,Midday 21.4643 21.4643 21.4643 12pM Fe,Midnight 29.435499999999998 26.3546 32.5164 58pM Fe,Midday 20.189 20.189 20.189 58pM Fe,Midnight 19.237457142857142 0.0 23.8501 233pM Fe,Midnight 13.583633333333333 11.7715 15.2963 1160pM Fe,Midday 16.13405714285714 14.0615 18.5224 1160pM Fe,Midnight 15.654391666666667 10.0827 19.7022 High carbon,Dark 9.222116 1.07148 18.7321 High carbon,Light 6.705180615384616 0.0 13.8072 Low carbon,Dark 6.04198 6.04198 6.04198 Phloroglucinol 24.112233333333332 14.1044 42.0286 Silicon starvation,12h 2.88485 2.88485 2.88485