condition mean min max 12pM Fe,Midday 86.2412 86.2412 86.2412 12pM Fe,Midnight 16.4527 15.7419 17.1635 58pM Fe,Midday 67.4985 67.4985 67.4985 58pM Fe,Midnight 9.723752857142857 0.0 13.0893 233pM Fe,Midnight 18.840366666666668 16.497 21.3596 1160pM Fe,Midday 58.08555714285714 56.4239 62.9373 1160pM Fe,Midnight 24.775975 8.13548 51.4775 High carbon,Dark 64.06736 25.4036 194.673 High carbon,Light 68.41737346153846 0.809385 128.931 Low carbon,Dark 17.4769 17.4769 17.4769 Phloroglucinol 53.19976666666667 34.628 68.9334 Silicon starvation,12h 37.623 37.623 37.623