condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 1.3295442857142858 0.0 9.30681 233pM Fe,Midnight 2.289073333333333 0.0 6.86722 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 1.1808266666666667 0.0 17.7124 High carbon,Light 2.1845846153846153 0.0 16.5083 Low carbon,Dark 17.9183 17.9183 17.9183 Phloroglucinol 0.0 0.0 0.0 Silicon starvation,12h 0.0 0.0 0.0