condition mean min max 12pM Fe,Midday 29.2312 29.2312 29.2312 12pM Fe,Midnight 21.5473 18.8186 24.276 58pM Fe,Midday 15.3959 15.3959 15.3959 58pM Fe,Midnight 20.820014285714286 0.0 25.9719 233pM Fe,Midnight 23.793733333333332 23.2976 24.6781 1160pM Fe,Midday 28.435928571428573 16.9655 38.3116 1160pM Fe,Midnight 93.44521666666667 18.8405 159.927 High carbon,Dark 36.146024 4.64741 202.968 High carbon,Light 45.943215384615385 11.0942 127.71 Low carbon,Dark 40.714 40.714 40.714 Phloroglucinol 101.11163333333333 58.0039 132.004 Silicon starvation,12h 146.121 146.121 146.121