condition mean min max 12pM Fe,Midday 43.6812 43.6812 43.6812 12pM Fe,Midnight 8.04445 0.0 16.0889 58pM Fe,Midday 12.8837 12.8837 12.8837 58pM Fe,Midnight 10.638842857142857 0.0 25.862 233pM Fe,Midnight 12.048523333333334 0.0 27.0778 1160pM Fe,Midday 11.328585714285715 0.0 36.1162 1160pM Fe,Midnight 1.847625 0.0 11.706 High carbon,Dark 9.163640000000001 0.0 58.6798 High carbon,Light 5.8114923076923075 0.0 29.0123 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.0 0.0 0.0 Silicon starvation,12h 0.0 0.0 0.0