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 0.0 0.0 0.0 233pM Fe,Midnight 0.08297733333333333 0.0 0.248932 1160pM Fe,Midday 0.045112714285714284 0.0 0.315789 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 0.6074598666666666 0.0 2.8864 High carbon,Light 0.35647738461538464 0.0 1.6003 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.08462700000000001 0.0 0.253881 Silicon starvation,12h 0.0 0.0 0.0